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Home Mobile App Development United States Tennessee Knoxville

Top App Developers in Knoxville

Ratings Updated: June 25, 2026
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2 Leaders 12 Contenders

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14 Companies

Country: United States
State: Tennessee
City: Knoxville

List of the Top Knoxville Mobile App Development Companies

  • Featured

    What are Featured Providers?

    Kingsmen Digital Ventures Logotype

    Kingsmen Digital Ventures

    5.0 12 reviews
    Premier Verified
    $10,000+
    $150 - $199 / hr
    10 - 49
    Serves Knoxville, United States

    Services provided

    40% Mobile App Development
    50% Custom Software Development
    10% UX/UI Design

    Kingsmen Digital Ventures is a mobile app development company praised for its strategic solutions and seamless project management. With 100% of reviewers highlighting on-time delivery and strong communication, the company excels in creating user-friendly apps for diverse industries, including automotive, fitness, cosmetics, and sports. Clients appreciate their cultural fit and industry understanding, resulting in successful project outcomes and high customer satisfaction.

    See all 12 projects

    Reviews mention Dedicated

    Clients express strong sentiment regarding Kingsmen Digital Ventures' dedication, highlighting their unwavering support and proactive approach during project execution. One CEO noted, "Kingsmen's dedication to the end goal and ability to keep us focused on the highest priority goals" was particularly impressive. Additionally, their timely delivery amidst internal chaos and regulatory challenges further underscores their commitment. Overall, clients feel reassured by Kingsmen's consistent engagement and adaptability throughout the collaboration.
    • Custom Software Development for Medical Aesthetic Manufacturer
      5.0 Aug 22, 2024

      Kingsmen's dedication to the end goal and ability to keep us focused on the highest priority goals impressed us. We've had many conversations that put our minds at ease and get us comfortable with consistently shipping updates/features/fixes instead of having everything perfect.

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    1 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Recent reviews for Kingsmen Digital Ventures highlight exceptional responsiveness and effective project management, particularly through team member Dustin. Clients appreciate his timely delivery and attention to detail, which has significantly improved their website maintenance and overall aesthetics. The collaborative approach, including regular meetings and effective communication via Slack, has fostered a strong partnership. Overall, feedback is overwhelmingly positive, with no noted areas for improvement.
    Read 1 Recent Review
    4 of 4 Mobile App Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Mobile App Development PROJECT HIGHLIGHT

    Web & Mobile Experience for Automotive Broker

    5.0 — Kingsmen Digital Ventures has built a web and mobile experience for an automotive broker. The goal is to build the connectors between the client's existing lending channels and new leasing and Read more
    Read 4 Reviews

    Average Project Cost Breakdown

    $1,000,000 to $9,999,999 (3) $50,000 to $199,999 (2) $200,000 to $999,999 (2)

    What Clients Have Said

    Overall, client feedback indicates that Kingsmen Digital Ventures provides good value for money, despite being perceived as on the pricier side. Clients have noted impressive outcomes, such as a 400% increase in traffic and a significant ROI from projects. One client stated, "The level of service, knowledge, and expertise we got was unmatched anywhere else," reinforcing the sentiment that the investment is justified by the quality of work delivered.
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    Designli Logotype

    Designli

    5.0 79 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    250 - 999
    Serves Knoxville, United States

    Services provided

    60% Mobile App Development
    20% Custom Software Development
    10% AI Development +1 service
    10% UX/UI Design

    Designli is a prominent mobile app development company that excels in creating prototypes and MVPs for iOS and Android applications. Across their reviews, 100% of clients commend their professionalism, timely delivery, and effective communication. Approximately 90% appreciate their expertise in UX/UI design and responsiveness, while many highlight their ability to transform ideas into investor-ready products. Clients often note their satisfaction with Designli's structured two-week sprints and detailed project management.

    See all 79 projects

    Reviews mention Detail-oriented

    Clients consistently praised Designli for their detail-oriented approach, highlighting their meticulous planning and thorough documentation. One client noted, "Designli has exceeded all our expectations" and appreciated their follow-up emails outlining discussion points and commitments. Another remarked on their "attention to detail" and how this contributed to a collaborative environment that led to effective project outcomes. Overall, the sentiment surrounding their detail-oriented practices is overwhelmingly positive, with clients feeling supported and confident throughout the development process.
    • UX/UI Design & Consulting for Web App
      5.0 Oct 23, 2019

      The work completed was timely and clarification regarding questions were answered in great detail. The SolutionLab was quite impressive, in that they were not merely listening to my concept, but contributing ideas for user maximizing functionality, while remaining mindful of V1.

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    • Web Design for SAAS Company
      5.0 May 22, 2019

      The SolutionLab is very well organized. It isn't just about how many features your product can have and how shiny they can make it; it challenges you to think about the business side of things as well. At the end of the SolutionLab, you have a tangible, organized, and thorough set of documents that will allow you to clearly make decisions on the next steps.

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    • Native Mobile App Dev for Clothing Donation Platform
      5.0 Mar 15, 2018

      Designli follows up with a detailed email after every meeting or random call, detailing everything we discussed and everything they committed to. Each objective is listed as a bullet point, from the very complex to the most trivial items. This shows that they care about every detail and never forget our requirements.

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    • Custom Web Dev & Design for Legal Services Company
      5.0 Apr 27, 2023

      We like how their team approaches the project. They provide weekly updates through virtual meetings. They're also detailed with their planning.

      Read Full Review
    Read All Reviews
    37 of 37 Mobile App Development reviews are 5 stars
    1 new review for Mobile App Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Mobile App Development PROJECT HIGHLIGHT

    UX/UI Design for IT Company

    5.0 — Designli has provided mobile app UX/UI design services for an IT company. The team has created the UX/UI design and wireframes using Figma. Designli has also developed a clickable prototype for the Read more
    Read 37 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (34) $50,000 to $199,999 (19) $200,000 to $999,999 (5) Less than $10,000 (3) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Designli has received positive feedback regarding their cost and value for money. Clients have noted that while the investment can be significant, the quality of work justifies the expense. For instance, one client mentioned spending $250,000 but felt that Designli absorbed many costs and provided free support during the maintenance phase. Others highlighted transparent communication about project costs and timelines, with one stating that the team was responsive and flexible, delivering quality work on time and within budget.
    Read All Reviews

    More responsive than most other service providers

    Designli is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
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    Mercury Development Logotype

    Mercury Development

    5.0 33 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    250 - 999
    Serves Knoxville, United States

    Services provided

    20% Mobile App Development
    20% Custom Software Development
    10% Application Testing +7 services
    10% IoT Development
    10% UX/UI Design
    10% Wearable App Development
    5% AI Agents
    5% AI Consulting
    5% AI Development
    5% Generative AI

    Mercury Development is a Mobile App Development company renowned for delivering high-quality iOS and Android applications with comprehensive project management. With an impressive 95% customer satisfaction rate, clients laud their technical expertise, commitment to deadlines, and ability to understand complex business needs. Approximately 70% of reviewers highlight their professionalism and ability to function as a true partner.

    See all 33 projects

    Reviews mention Innovative

    Clients express a highly positive sentiment regarding Mercury Development's innovative capabilities. They commend the company's ability to tackle complex technical challenges swiftly and efficiently, emphasizing their expertise in developing cutting-edge web applications and AI features. One client notes their impressive success rate over a decade, highlighting the significant impact of their collaboration. However, there is a suggestion for Mercury to proactively share knowledge on new technologies to enhance client engagement further.
    • Development, UI, Design Partnership for Software Company
      5.0 May 15, 2018

      Their ability to quickly overcome the most complicated technical obstacles is a rare talent. They prioritize essential features and waste no time eliminating elements that hinder efficiency. They are always learning about new languages and methodologies, but they never proactively share that information with us.

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    4 of 5 reviews are 5 stars
    2 new reviews for Mobile App Development services
    Unknown avg. project cost

    Reviewed 5 times in the past 6 months

    Over the past six months, clients have praised Mercury Development for their exceptional project management, technical expertise, and ability to deliver on time. One client highlighted an impressive reduction in deployment frequency from annual to daily, while another noted a significant increase in customer satisfaction by 95%. Clients appreciate their flexibility and proactive communication, although one suggested enhancing management communication. Overall, feedback reflects a strong partnership and satisfaction with the results achieved.
    Read 5 Recent Reviews
    14 of 14 Mobile App Development reviews are 5 stars
    2 new reviews for Mobile App Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Mobile App Development PROJECT HIGHLIGHT

    Web & Mobile App Development for Monitoring Services Company

    5.0 — Mercury Development developed an online portal and mobile apps for a court-approved monitoring services company. The project included analysis, design, development, QA, and project management. Read more
    Read 14 Reviews

    View projects from:

    United States (27) South Korea (1) England (1)
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    Empat Logotype

    Empat

    5.0 144 reviews
    Premier Verified
    $10,000+
    $25 - $49 / hr
    250 - 999
    Serves Knoxville, United States

    Services provided

    40% Mobile App Development
    30% Custom Software Development
    25% AI Development +1 service
    5% Web Development

    Empat is a versatile mobile app development company renowned for its proficiency in iOS and Android app development, UI/UX design, and backend solutions. Across numerous reviews, clients consistently praise Empat for their on-time delivery, strong communication, and ability to integrate seamlessly into existing teams, with a 100% positive feedback rate. Approximately 60% of reviews highlight Empat's exceptional ability to understand complex technical requirements and transform them into user-friendly applications.

    See all 144 projects

    Industry Experience

    Empat's reviews reflect a strong proficiency in various industries, particularly in Information Technology, Healthcare, and Education. Clients commend their exceptional project management, timely delivery, and effective communication. In the healthcare sector, they excelled in developing AI-driven solutions and compliance-focused applications. Their work in education showcases their ability to create engaging platforms. Overall, Empat's expertise is particularly suited for tech-driven projects, making them a viable partner for clients in education, healthcare, and IT sectors.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Food & Beverages Restaurants Logistics & Supply Chain Education Social Networking Arts, entertainment & music Manufacturing Media Human Resources Consumer Products Financial services Non-profit Hospitality & leisure Legal eCommerce Agriculture Business services Healthcare Retail Sports Environmental Services Dental Design Energy & natural resources Gaming Real estate Beauty & Cosmetics Nonprofit Consulting Government Other Industry Software Wellness & Fitness IT Services Construction Other industries Information technology

    Average Project Cost Breakdown

    $10,000 to $49,000 (50) $50,000 to $199,999 (29) Less than $10,000 (16) $200,000 to $999,999 (12) $1,000,000 to $9,999,999 (3)

    What Clients Have Said

    Empat demonstrates an excellent value for money, with clients consistently noting their affordability and high-quality deliverables. For instance, one client highlighted a 40% reduction in AWS costs due to Empat's optimization efforts, while another mentioned a 74% increase in conversion rates following a website overhaul. Overall, feedback indicates that clients feel they receive more than what they pay for, emphasizing Empat's commitment to delivering effective solutions within budget and on time.
    Read All Reviews

    More responsive than most other service providers

    Empat is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    $5,000 PoC - Rapid idea validation before launch. $10,000 MVP - Essential functionality for initial users. $20,000 Full product - Complete solution for growth.

    Mobile App Development

    We are serial entrepreneurs and understand user-driven design and launching products from scratch as well as taking over existing products. We've built over 100 mobile apps to help our clients realise their tech vision or digitize existing services.
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  • Tusk Software Logotype

    4.9 5 reviews
    Undisclosed
    $150 - $199 / hr
    10 - 49
    Knoxville, TN

    Services provided

    20% Mobile App Development
    50% Web Development
    10% Cloud Consulting & SI +2 services
    10% IT Strategy Consulting
    10% Web Design

    Tusk Software is a Mobile App Development company specializing in software development, database management, and web design. Their work, including iOS and Android development, is praised for user satisfaction and efficiency, with consistent positive feedback highlighting their creativity and project management skills. They have successfully scaled systems for over 15,000 daily users.

    See all 5 projects

    Reviews mention Exceeds expectations

    Tusk Software has consistently exceeded client expectations, as highlighted by their ability to effectively troubleshoot and enhance existing software. Clients appreciate their proactive communication, timely project management, and willingness to adapt to new technologies. One client noted that Tusk's deliverables have always met or exceeded expectations, allowing them to continue offering critical services. Overall, Tusk Software is recognized for their exceptional support and commitment to client success.
    • Custom Software Dev for Finance & Insurance Training Company
      5.0 Feb 18, 2022

      The deliverables have always met or exceed our expectations and any delays that have transpired, have been on our side - not on theirs.

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    Industry Experience

    Tusk Software has demonstrated expertise primarily in the Financial Services and Other Industries, delivering impactful solutions in sectors like finance, accounting, animal genetics, and photography. Clients commend their communication, project management, and adaptability to diverse technologies, enhancing operational efficiencies and user satisfaction. Overall sentiment is highly positive, highlighting Tusk's ability to understand complex requirements, meet deadlines, and provide effective software maintenance and development, making them a strong fit for projects in these industries.

    Read All Reviews

    Select Industry to see insights

    Financial services Other Industry

    View projects from:

    Atlanta, Georgia (1) Chattanooga, Tennessee (1) Knoxville, Tennessee (1) San Angelo, Texas (1)
    $200,000 – $999,999 avg. project cost for Mobile App Development services in Knoxville

    Knoxville-based Mobile App Development project highlight

    Web & Mobile App Development for Animal Biotech Company

    4.5 — Tusk Software has designed and developed web and mobile applications for an animal genetics company. They’ve built everything from scratch, including a patented database that supports the Read more
    Read Similar Reviews
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  • 245TECH LLC Logotype

    5.0 3 reviews
    $5,000+
    $100 - $149 / hr
    10 - 49
    Knoxville, TN

    Services provided

    20% Mobile App Development
    20% Web Development
    10% CRM Consulting and SI +5 services
    10% E-Commerce Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    245TECH LLC is a mobile app development company that specializes in creating customized applications to meet specific client needs. Reviewers consistently praise their attentive project management and the ability to transform ideas into functional apps, with 100% of feedback being positive. Clients appreciate the personal, responsive service and effective solutions provided by the team.

    See all 3 projects

    Reviews mention Personable

    Clients have consistently praised 245TECH LLC for their personable approach, noting their casual and friendly demeanor while remaining attentive and responsive. One client highlighted the ability to work closely with team members on a first-name basis, which fostered open communication and made collaboration enjoyable. Overall, the sentiment regarding their personable nature is overwhelmingly positive, indicating a strong client-vendor relationship.
    • Mobile App Development for K9 Bed Bug Detection Company
      5.0 May 26, 2022

      They were very casual and friendly, yet very attentive and responsive. They are a small and aggressive company which I liked! I could work with each individual on a first name basis and could reach them at any time.

      Read Full Review
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    Industry Experience

    245TECH LLC has received positive feedback across various industries, including Restaurants, Education, and K9 Bed Bug Detection. Clients praised their expertise in developing user-friendly applications and websites tailored to specific business needs. In the restaurant sector, they excelled in creating mobile-friendly web pages, while in education, their app for fundraising enhanced sales and user engagement. Overall, 245TECH is recognized for their responsiveness, effective communication, and ability to deliver customized solutions promptly.

    Read All Reviews

    Select Industry to see insights

    Restaurants Other Industry Education

    Average Project Cost Breakdown

    $10,000 to $49,000 (2)

    What Clients Have Said

    Clients consistently highlight 245TECH LLC's affordability and value for money. One client noted that they developed 'logical solutions at an affordable price,' while another emphasized their willingness to meet requirements without significant cost overruns. Overall sentiment reflects satisfaction with the pricing relative to the quality of deliverables, as clients appreciated timely project completion and attentive service, indicating strong value in their investment.
    Read All Reviews
    2 of 2 Knoxville-based reviews are 5 stars
    $10,000 – $49,000 avg. project cost for Mobile App Development services in Knoxville

    Mobile App Development project highlight

    Mobile App Development for K9 Bed Bug Detection Company

    5.0 — 245TECH LLC developed a proprietary app for client reports for a bed bug detection company. The app allowed the client to standardize and streamline their inspection reports. Read more
    Read Similar Reviews
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  • Featured

    What are Featured Providers?

    Twin Sun Logotype

    Twin Sun

    5.0 20 reviews
    Premier Verified
    $25,000+
    $150 - $199 / hr
    10 - 49
    Serves Knoxville, United States

    Services provided

    20% Mobile App Development
    20% Custom Software Development
    20% Web Development +4 services
    10% AI Consulting
    10% AI Development
    10% Generative AI
    10% UX/UI Design

    Twin Sun is a mobile app development company known for its expertise in iOS and Android development. With a 100% positive review rate, clients consistently praise their project management, transparent communication, and ability to deliver high-quality, bug-free applications. Approximately 80% of reviews highlight their flexibility and dedication to client satisfaction, emphasizing their role in launching successful mobile applications and providing continuous support.

    See all 20 projects

    Reviews mention Communicative

    The reviews highlight Twin Sun's exceptional communication skills, with clients consistently noting their clarity and responsiveness. For instance, one client emphasized, "Twin Sun's project management is second to none with clear and open communication throughout the project." Another stated, "Their communication is absolutely superb," praising their ability to simplify complex technical details. Overall, the sentiment surrounding communication is overwhelmingly positive, with multiple clients expressing satisfaction and trust in Twin Sun's ability to keep them informed and engaged throughout the project.
    • Mobile & Web App Development for Tech Nonprofit Organization
      5.0 Sep 28, 2021

      Further, Twin Sun resources are quick to respond to app crashes or bugs. If I share a problem that our users experience, they quickly address the issue. Apart from that, their communication is clear, so I understand where the issues lie and what fixes are being made even if I’m not a tech person. I also get updates along the way; when they implement a fix on the app’s backend, they let me know when it’s submitted to the App Store or Google Play. Overall, they always keep me informed at every step of the process.

      Read Full Review
    • E-Commerce Development for Rent-to-Own Co
      5.0 Aug 11, 2020

      We communicate via email, but they’re willing to accommodate their customers. Chris and I text and video chat. Their communication and ability to meet deadlines are fantastic. They’re so great that I asked my new company to believe in Twin Sun, and we keep going back. That’s a testament to their team.

      Read Full Review
    • Web-Based MVP Development for Content Licensing Platform
      5.0 Jan 8, 2024

      Very timely deliverables and fantastic communication. This is one of the best teams I've ever worked with in over 20 years of startups (over 8 major web application builds). Their passion, expertise, personalities, and work ethic - it's like the perfect web development team.

      Read Full Review
    • SaaS Platform Dev, Design & Testing for Healthcare Tech Co
      5.0 Jun 24, 2025

      Twin Sun's project management is second to none with clear and open communication throughout the project. They set initial project expectations with a defined timeline and milestones. Twin Sun led project iteration meetings bi-weekly with other members of the Care Nexus team.

      Read Full Review
    • App Redevelopment for Small Business
      5.0 Oct 25, 2018

      Twin Sun have been excellent communicators—they ensure we follow their process and all of our options. Because they’re local, I’m able to meet with the entire team and we email frequently. To make sure we have an equal understanding of the project, they simplify complex industry terms and keep us informed.

      Read Full Review
    Read All Reviews
    6 of 6 Mobile App Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Mobile App Development PROJECT HIGHLIGHT

    Development for a Nightlife App

    5.0 — Twin Sun created a cross-platform nightlife app for iOS and Android. The team helped scope out the project, defined the business requirements, created the designs, and developed the final product. Read more
    Read 6 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (5) $200,000 to $999,999 (4) $10,000 to $49,000 (3) Less than $10,000 (2)

    What Clients Have Said

    Clients generally perceive Twin Sun as providing good value for money, often remarking that while their services are not the cheapest, they deliver high-quality results. For example, one client noted, "I mean they aren't cheap but I don't want cheap. I wanted a sturdy product and that was what we got." Another client mentioned, "Even though they were more expensive than other options, they do it well and right the first time." Overall, the sentiment reflects satisfaction with the balance of cost and quality.
    Read All Reviews

    View projects from:

    Nashville, Tennessee (5) Atlanta, Georgia (2) Franklin, Tennessee (2) St. Louis, Missouri (1) Concord, North Carolina (1) Dallas, Texas (1) Zionsville, Indiana (1) Dayton, Ohio (1) Honolulu, Hawaii (1) Wilmington, Illinois (1)
    View Profile Visit Website
    Dedicated Developers Logotype

    Dedicated Developers

    5.0 56 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    10 - 49
    Serves Knoxville, United States

    Services provided

    65% Mobile App Development
    35% Web Development

    Dedicated Developers is a versatile Mobile App Development company, proficient in building iOS and Android applications across various industries. Their reviews reflect a high level of client satisfaction, with 90% of feedback being positive. Clients appreciate their end-to-end development capabilities, transparent project management, and genuine partnership approach, with over 85% praising their expertise in bringing innovative solutions to life.

    See all 56 projects
    7 of 7 reviews are 5 stars
    6 new reviews for Mobile App Development services
    $200,000 – $999,999 avg. project cost

    Reviewed 7 times in the past 6 months

    In the last six months, clients have expressed strong satisfaction with Dedicated Developers, highlighting their effective project management and responsiveness. One CTO praised their seamless integration of features during beta testing, while a Founder noted their proactive support in launching a used car marketplace app. Another client appreciated their genuine partnership approach, with clear communication throughout. Overall, feedback indicates a positive sentiment, with clients valuing the team's expertise and commitment to delivering quality outcomes.
    Read 8 Recent Reviews

    Industry Experience

    Dedicated Developers has demonstrated expertise across various industries including Education, Consumer Products, Arts, Entertainment, Music, Financial Services, and Gaming. Clients praised their thorough project management, responsiveness, and ability to deliver high-quality products tailored to each sector's unique needs. Overall sentiment reflects strong satisfaction, particularly in Education and Financial Services, highlighting their impact on user experience and business efficiency. Companies seeking development partners in these industries can expect reliable collaboration and innovative solutions.

    Read All Reviews

    Select Industry to see insights

    Financial services Consulting Education Transportation Other Industry Real estate Healthcare Beauty & Cosmetics Information technology Software Environmental Services Hospitality & leisure Advertising & marketing Human Resources Business services Consumer Products Media IT Services Social Networking Other industries Sports Gaming Arts, entertainment & music Consumer products & services Construction Wellness & Fitness

    Average Project Cost Breakdown

    $10,000 to $49,000 (15) $50,000 to $199,999 (13) $1,000,000 to $9,999,999 (11) $200,000 to $999,999 (9) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently highlight Dedicated Developers' strong value for money, citing their competitive pricing and high-quality service. One client noted they chose the firm for its 'good value for cost' and another emphasized that they received 'twice the value of its investment' following a project. Overall sentiment reflects satisfaction with the cost-effectiveness of their solutions, with clients appreciating the company's ability to deliver quality results on budget and on time.
    Read All Reviews

    More responsive than most other service providers

    Dedicated Developers is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile Visit Website
    Semaphore Mobile Logotype

    Semaphore Mobile

    5.0 21 reviews
    Premier Verified
    $5,000+
    $50 - $99 / hr
    10 - 49
    Serves Knoxville, United States

    Services provided

    30% Mobile App Development
    25% Custom Software Development
    20% Web Development +2 services
    15% E-Commerce Development
    10% UX/UI Design

    Semaphore Mobile is a Mobile App Development company offering services in iOS and Android development. Across reviews, clients consistently highlight their professionalism, strong project management, and ability to understand and execute client visions. With a 100% positive feedback rate, 90% of reviewers commend their excellent communication and flexibility. Many clients appreciate their dedication, describing them as a reliable development partner.

    See all 21 projects

    Reviews mention Translate ideas into products

    Clients express high satisfaction with Semaphore Mobile's ability to translate their ideas into successful products. One client noted their impressive understanding of the vision, resulting in a marketplace that exceeded expectations. Feedback highlights excellent project management, clear communication, and adaptability to client needs, contributing to positive outcomes such as increased user engagement. Overall, the sentiment is overwhelmingly positive, with clients recommending Semaphore Mobile as a reliable development partner.
    • Custom Software Dev for Mobile Classifieds Marketplace
      5.0 Sep 9, 2025

      What impressed us most was their ability to truly understand our vision and translated it into a product that serves our purpose. They demonstrated a genuine dedication to our success.

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    10 of 10 Mobile App Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Mobile App Development PROJECT HIGHLIGHT

    Custom Software Dev for Mobile Classifieds Marketplace

    5.0 — Semaphore Mobile developed a website for a mobile classifieds marketplace. The team also developed a mobile app and a CMS Read more
    Read 10 Reviews

    Industry Experience

    Semaphore Mobile has demonstrated expertise across various sectors, including Advertising & Marketing, Healthcare, Automotive, and E-commerce. Clients praised their professionalism, effective communication, and adaptability, resulting in projects that met or exceeded expectations. In the Advertising & Marketing industry, they excelled in app development and integrations, while in Automotive, they provided specialized solutions for aviation training. Their strengths lie in project management and a deep understanding of client visions, making them a suitable partner for businesses seeking reliable development support.

    Read All Reviews

    Select Industry to see insights

    Agriculture Social Networking Healthcare Software IT Services Construction Automotive Transportation Advertising & marketing

    View projects from:

    Dallas, Texas (6) Tulsa, Oklahoma (1) Chattanooga, Tennessee (1) Paris, Texas (1) Birmingham, Alabama (1) Salt Lake City, Utah (1) West Monroe, Louisiana (1) Kilgore, Texas (1) Dalhart, Texas (1) Falls Church, Virginia (1)
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  • Rustik, Inc. Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Knoxville, TN

    Services provided

    30% Mobile App Development
    40% Custom Software Development
    20% Web Development +1 service
    10% Business Consulting

    Rustik, Inc., a custom software development firm, was launched in 2020. The team specializes in Custom Software Development and Mobile App Development.

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  • CodeTank Labs, LLC Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Knoxville, TN

    Services provided

    20% Mobile App Development
    20% AR/VR Development
    20% Custom Software Development +2 services
    20% Enterprise App Modernization
    20% Web Development

    CodeTank Labs, LLC is a custom software development company founded in 2015. The small team offers Custom Software Development and Enterprise App Modernization.

    Read more
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  • ResultStack Logotype

    Not yet reviewed

    $50,000+
    Undisclosed
    50 - 249
    Knoxville, TN

    Services provided

    10% Mobile App Development
    10% AI Development
    10% AR/VR Development +7 services
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Microservices Architecture Services
    10% UX/UI Design
    10% Web Design

    ResultStack is a Knoxville, Tennessee-based software development company. They focus on Custom Software Development and Mobile App Development.

    Read more
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  • Pioneer Media Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    Freelancer
    Louisville, TN

    Services provided

    20% Mobile App Development
    20% E-Commerce Development
    20% Search Engine Optimization +2 services
    20% Web Design
    20% Web Development

    Pioneer Media, an e-commerce development company, is based in Louisville, Tennessee. They specialize in E-Commerce Development and Mobile App Development.

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  • Efficience Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Knoxville, TN

    Services provided

    20% Mobile App Development
    20% E-Commerce Development
    20% Mobile & App Marketing +2 services
    20% Social Media Marketing
    20% Web Design

    Efficience is an e-commerce development firm. The Knoxville, Tennessee-based company was launched in 2004. Their services include E-Commerce Development and Mobile App Development.

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    Atmosphere Apps Logotype

    Atmosphere Apps

    4.9 18 reviews
    Verified
    $25,000+
    $100 - $149 / hr
    10 - 49
    Serves Knoxville, United States

    Services provided

    15% Mobile App Development
    20% Custom Software Development
    15% Web Development +5 services
    10% AI Development
    10% Application Management & Support
    10% IT Managed Services
    10% Low/No Code Development
    10% Web Design

    Atmosphere Apps is a versatile company specializing in Mobile App Development, including iOS and Android Development, as well as website design. The reviews reflect overwhelmingly positive feedback, emphasizing their expertise, strong communication, and ability to deliver projects on time and within budget. Notably, 100% of reviewers commend their problem-solving capabilities and responsiveness, with many praising their innovative approaches and seamless app performance.

    See all 18 projects

    Reviews mention High-quality work

    Atmosphere Apps consistently receives high praise for delivering high-quality work across various projects. Clients highlight their attention to detail and proactive approach, noting that the team prioritizes quality through thorough testing and effective communication. Specific feedback includes a client's remark on their commitment to timelines, with one stating, "Atmosphere Apps always prioritizes quality," and another emphasizing their robust solutions and impressive project execution. Overall, the sentiment reflects a strong confidence in Atmosphere Apps' ability to meet and exceed client expectations.
    • Android App Dev for 3D Audio Technology Firm
      5.0 Nov 8, 2018

      Their work is absolutely robust, and the architecture is everything. The project was well executed, and the development was well planned. They performed unit and system testing, which they did a fantastic job on.

      Read Full Review
    Read All Reviews
    8 of 9 Mobile App Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Mobile App Development PROJECT HIGHLIGHT

    Mobile App Dev for Fossil Enthusiasts

    4.5 — Atmosphere Apps designed and developed an interactive website using BuddyPress and WordPress to connect a disparate user base nationwide. It includes discussion forums, an event calendar, and photo Read more
    Read 9 Reviews

    Industry Experience

    Atmosphere Apps has demonstrated significant expertise across various industries, including dental, medical, manufacturing, media, education, and advertising. Clients consistently praise their strong project management, creativity, and adaptability. In the dental and medical sectors, they've streamlined processes and enhanced educational tools, resulting in improved operational efficiency. The manufacturing and media industries benefit from their custom software solutions, while their work in education showcases their ability to create user-friendly applications. Overall, Atmosphere Apps is highly regarded for their professionalism and innovative approaches, making them a strong fit for projects across these sectors.

    Read All Reviews

    Select Industry to see insights

    Dental Medical Manufacturing Healthcare Arts, entertainment & music Advertising & marketing Construction Information technology Publishing Nonprofit Education Media Energy & natural resources

    Average Project Cost Breakdown

    $50,000 to $199,999 (6) $10,000 to $49,000 (4) $200,000 to $999,999 (3)

    What Clients Have Said

    Clients consistently report that Atmosphere Apps offers excellent value for money, often citing their competitive pricing and high-quality deliverables. Many reviews highlight the company's ability to stay within budget while exceeding expectations, with one client noting that they provided enhancements without additional costs. Positive sentiments about their responsiveness and project management further reinforce the perception of good value. Overall, clients feel they receive more than they pay for, leading to strong, ongoing partnerships.
    Read All Reviews
    View Profile Visit Website
  • ITR ~~ Information Technology Resources Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Knoxville, TN

    Services provided

    20% Mobile App Development
    20% Cybersecurity
    20% IT Managed Services +2 services
    20% IT Strategy Consulting
    20% Web Development

    ITR ~~ Information Technology Resources is an IT managed services company established in 1997. The team offers IT managed services and Cybersecurity and is located in Knoxville, Tennessee.

    Read more
    View Profile
  • Lotus Apps Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Knoxville, TN

    Services provided

    20% Mobile App Development
    20% Mobile & App Marketing
    20% Print Design +2 services
    20% Web Design
    20% Web Development

    Launched in 2015, Lotus Apps is a mobile application development company. The small team focuses on Mobile App Development and Mobile & App Marketing.

    Read more
    View Profile
  • Castlenext Technology Logotype

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    10 - 49
    Vonore, TN

    Services provided

    30% Mobile App Development
    30% E-Commerce Development
    30% Web Development +1 service
    10% Custom Software Development

    Castlenext Technology is a Vonore, Tennessee-based website development firm. The team focuses on Web Development and Mobile App Development.

    Read more
    View Profile
  • Acato Information Management LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Oak Ridge, TN

    Services provided

    20% Mobile App Development
    20% Custom Software Development
    20% UX/UI Design +2 services
    20% Web Design
    20% Web Development

    Founded in 2010, Acato Information Management LLC is a custom software development firm. Their services include Custom Software Development and UX/UI Design.

    Read more
    View Profile
  • Mass infoline Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Dayton, TN

    Services provided

    40% Mobile App Development
    20% Graphic Design
    20% Web Development +2 services
    10% AR/VR Development
    10% Search Engine Optimization

    Established in 2016, Mass infoline is an application development firm. The team specializes in Mobile App Development and Graphic Design.

    Read more

    Dayton, TN

    879 BLYTHE FERRY RD
    Dayton, TN 37321

    2 - 5

    See All Locations (2)
    View Profile
  • Imfitech IT Solution Pvt. Ltd. Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Vonore, TN

    Services provided

    20% Mobile App Development
    20% Custom Software Development
    20% IT Strategy Consulting +3 services
    20% Web Development
    10% UX/UI Design
    10% Web Design

    Imfitech IT Solution Pvt. Ltd. Is an Ahmedabad, India-based software development company. Established in 2012, the team provides Custom Software Development and IT strategy consulting.

    Read more

    Vonore, TN

    156 Keeble Rd
    Vonore, TN 37885

    443-784-5227

    See All Locations (2)
    View Profile
  • Outsoft Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Knoxville, TN

    Services provided

    15% Mobile App Development
    15% AR/VR Development
    15% Custom Software Development +9 services
    15% Web Development
    10% UX/UI Design
    10% Web Design
    5% E-Commerce Development
    5% Logo
    3% Application Testing
    3% Enterprise App Modernization
    2% IoT Development
    2% Wearable App Development

    In Knoxville, Tennessee and Kyiv, Ukraine, Outsoft is a software development firm. The team focuses on Custom Software Development and AR/VR development.

    Read more
    View Profile

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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

  • In-depth client interviews and ratings
  • Comprehensive project details
  • Market presence
  • Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Tusk Software
2 245TECH LLC

List of the Top 2 Knoxville Mobile App Development Companies

  1. Tusk Software Logotype

    Tusk Software

    Undisclosed
    $150 - $199 / hr
    10 - 49
    Knoxville, TN

    Ability to deliver

    25.7/40.0
    15.8/20 Reviews
    3.9/10 Clients & Experience
    6/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  2. 245TECH LLC Logotype

    245TECH LLC

    $5,000+
    $100 - $149 / hr
    10 - 49
    Knoxville, TN

    Ability to deliver

    21.4/40.0
    16.2/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  3. Rustik, Inc. Logotype

    Rustik, Inc.

    $10,000+
    $50 - $99 / hr
    10 - 49
    Knoxville, TN

    Ability to deliver

    11.2/40.0
    0/20 Reviews
    6.6/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    30% Mobile App Development
    70% Other
    View Profile Visit Website
  4. CodeTank Labs, LLC Logotype

    CodeTank Labs, LLC

    $5,000+
    $100 - $149 / hr
    10 - 49
    Knoxville, TN

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  5. ResultStack Logotype

    ResultStack

    $50,000+
    Undisclosed
    50 - 249
    Knoxville, TN

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% Mobile App Development
    90% Other
    View Profile Visit Website
  6. Pioneer Media Logotype

    Pioneer Media

    $5,000+
    $100 - $149 / hr
    Freelancer
    Louisville, TN

    Ability to deliver

    9.6/40.0
    0/20 Reviews
    4.4/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  7. Efficience Logotype

    Efficience

    Undisclosed
    Undisclosed
    10 - 49
    Knoxville, TN

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  8. ITR ~~ Information Technology Resources Logotype

    ITR ~~ Information Technology Resources

    Undisclosed
    Undisclosed
    10 - 49
    Knoxville, TN

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  9. Lotus Apps Logotype

    Lotus Apps

    Undisclosed
    Undisclosed
    2 - 9
    Knoxville, TN

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  10. Castlenext Technology Logotype

    Castlenext Technology

    $50,000+
    $25 - $49 / hr
    10 - 49
    Vonore, TN

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    30% Mobile App Development
    70% Other
    View Profile Visit Website
  11. Acato Information Management LLC Logotype

    Acato Information Management LLC

    Undisclosed
    Undisclosed
    10 - 49
    Oak Ridge, TN

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  12. Mass infoline Logotype

    Mass infoline

    $1,000+
    < $25 / hr
    10 - 49
    Dayton, TN

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    40% Mobile App Development
    60% Other
    View Profile Visit Website
  13. Imfitech IT Solution Pvt. Ltd. Logotype

    Imfitech IT Solution Pvt. Ltd.

    $5,000+
    < $25 / hr
    10 - 49
    Vonore, TN

    Ability to deliver

    5.8/40.0
    0/20 Reviews
    0.6/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% Mobile App Development
    80% Other
    View Profile Visit Website
  14. Outsoft Logotype

    Outsoft

    $1,000+
    $25 - $49 / hr
    50 - 249
    Knoxville, TN

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    15% Mobile App Development
    85% Other
    View Profile Visit Website

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