Top Application Modernization Services
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$25,000+$50 - $99 / hr250 - 999
Services provided
See all 4 projectsDevelonica Inc., previously known as Aplana Software Services, is a technology development firm offering services such as mobile app development, web portal creation, and digital transformation. Reviews indicate a high level of customer satisfaction, with clients praising their attention to detail, effective communication, and problem-solving capabilities. Approximately 80% of the feedback highlights their strong project management skills and flexibility in adapting to client needs.
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$25,000+$25 - $49 / hr50 - 249
Services provided
See all 2 projectsProfITsoft is a software development company with a strong focus on Java development and quality assurance services. They have been praised for their expertise, reliability, and ability to deliver effective solutions, with 100% of reviewers highlighting their professionalism and timely project delivery. The company is noted for significantly reducing client-side errors and enhancing operational efficiency, with one client experiencing a 56% decrease in software bugs.
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$1,000+Undisclosed50 - 249Mumbai, India
Services provided
See all 1 projectsSynergetics Cloud Consulting is a distinguished cloud consulting firm specializing in Azure Cloud solutions. Their services are highly rated, with 100% positive feedback lauding their expertise and support. Clients consistently highlight the team's deep Azure knowledge and their proactive assistance in cloud migration and ongoing support.
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$1,000+< $25 / hr10 - 49New Delhi, India
Services provided
See all 9 projectsKormoan Pvt Ltd is a versatile technology solutions company specializing in AI development, UI/UX design, and custom software engineering. Reviews reveal a consistent theme of satisfied clients, with over 90% praising their project management, expertise, and ability to meet deadlines. While a few clients suggested improvements in communication and documentation, the majority appreciated their ability to deliver high-quality, scalable solutions.
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$10,000+Undisclosed10 - 49
Services provided
See all 1 projectsCodeFirst is a web development company praised for its agile methods and outstanding team. A review mentions that overall satisfaction with their platform is high, highlighting their flexibility and effective communication. With no areas for improvement noted, 100% of the feedback is positive, emphasizing their rigorous development standards and impressive developers.
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$25,000+$50 - $99 / hr50 - 249Den Haag, Netherlands
Services provided
See all 30 projectsAcropolium is a company specializing in Enterprise Application Modernization services, offering software modernization and digital transformation solutions. Reviews highlight their effective integration into existing teams, consistent delivery within project timelines, and significant technical improvements, with 100% of feedback being positive and mentioning the successful modernization of legacy systems. Their collaborative approach and fast response times are particularly praised by clients.
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$1,000+< $25 / hr50 - 249Delhi, India
Services provided
See all 2 projectsTechnoScore is a web development company known for its strong technical skills and flexible, transparent approach. Reviewers consistently praise their agile methodology and friendly environment. Notably, 100% of the feedback highlights their project management style and communication, with no recommendations for improvement mentioned.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 8 projectsVyrazu Labs Pvt. Ltd. is a versatile software development company offering services ranging from web and app development to custom software solutions. The reviews highlight their technical prowess and commitment to meeting client needs, with 100% of reviewers noting their effective communication and timely project management. Clients appreciate their adaptability and innovation, with multiple testimonials emphasizing their ability to improve upon initial project ideas, resulting in successful outcomes and ongoing collaborations.
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$50,000+$50 - $99 / hr250 - 999New York, NY
Services provided
See all 14 projectsGaper is a company specializing in providing vetted software engineers for various technical needs such as backend, frontend, and full-stack development. Reviews indicate a mixed reception, with approximately 70% of clients praising their efficient hiring process, speed, and quality of engineers, while 30% noted issues with project execution and management. The company's strong points include their swift resume sharing, detailed initial consultations, and competitive pricing. However, areas for improvement include better management of hired engineers and project execution.
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Undisclosed$100 - $149 / hr50 - 249
Services provided
See all 2 projectsiPhone Developer is a specialized mobile app development company known for creating advanced and innovative mobile applications, particularly for iOS and Android platforms. Their team is praised for their strong expertise, commitment to quality, and transparent communication. Client feedback is overwhelmingly positive, with 100% of reviewers highlighting their outstanding performance and successful project outcomes.
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$1,000+$50 - $99 / hr50 - 249
Services provided
See all 12 projectsSeven Dynamic is a web development company specializing in creating user-friendly websites and e-commerce solutions. Their clients consistently praise their responsive and efficient project management, with 100% of reviews highlighting their timely delivery and high-quality outcomes. Approximately 80% of reviewers noted Seven Dynamic's strong alignment with client needs and dedication to providing tailored solutions, underscoring their commitment to client satisfaction.
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$1,000+$25 - $49 / hr10 - 49
Services provided
See all 3 projectsPangara is a versatile company specializing in web and mobile app development, recognized for its high-quality developers and efficient project execution. The majority of reviewers, approximately 90%, praise the company's technical expertise and responsiveness. While many commend their rapid delivery and outstanding design insights, some suggest improvements in their invoicing model and communication consistency. Overall, Pangara is well-regarded for delivering successful projects across diverse industries.
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$1,000+$25 - $49 / hr10 - 49
Services provided
See all 1 projectsInspeero Technologies is a mobile app development company that specializes in creating apps with social networking and geolocation features. Reviewers consistently praise the company for their excellent communication and ability to meet deadlines, with 100% positive feedback regarding their project management skills. The firm is recognized for their quick response times and flexibility in addressing issues.
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$5,000+$100 - $149 / hr50 - 249Jaipur, India
Services provided
See all 7 projectsNatural Support Consultancy Services Private Limited is a consultancy company specializing in implementing HRMS and banking technology solutions. The company is praised for its ability to streamline complex processes and improve operational efficiency, as evidenced by its 100% positive feedback. Clients commend their professionalism, responsiveness, and understanding of client requirements, though some suggest more frequent progress updates during projects.
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$10,000+$25 - $49 / hr250 - 999Minneapolis, MN
Services provided
See all 1 projectsContata is a software development company specializing in creating scalable web-based applications, exemplified by their comprehensive project for a kindergarten software firm. Feedback from reviews is overwhelmingly positive, with 100% of reviewers noting improved user engagement and satisfaction post-deployment. Their strong project management and proactive approach, such as sending personnel for critical tasks, are frequently highlighted as impressive.
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UndisclosedUndisclosed10 - 49
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See all 9 projectsReality Tech is a consulting company specializing in Enterprise Application Modernization, excelling in services such as SharePoint and O365 migrations. Reviews indicate a 100% positive feedback rate, highlighting their project management, professionalism, and expertise in digital transformation. Many reviewers appreciate their clear communication and on-time delivery, with no suggested areas for improvement.
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$50,000+$25 - $49 / hr50 - 249Alpharetta, GA
Services provided
See all 8 projectsTelliant Systems, LLC is a software development company offering services such as custom software solutions, mobile app development, and software testing. Across reviews, 100% of clients reported positive feedback, praising their project management, timely delivery, and excellent communication. Approximately 86% highlighted their proactive approach and cultural fit, while none noted areas needing improvement.
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$1,000+$50 - $99 / hr2 - 9
Services provided
See all 2 projectsNeon Layer Digital is a design-focused agency specializing in UX/UI development and scalable design systems. With a track record of delivering modern and high-quality design solutions, 100% of reviewers commend their project management and professionalism, highlighting their impactful designs that significantly improve user engagement and brand perception. Clients consistently note their proactive approach and exceptional design expertise.
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$10,000+Undisclosed10 - 49Ciudad de México, Mexico
Services provided
See all 5 projectsKonfront is a versatile technology company specializing in web development and platform modernization, providing tailored digital solutions to diverse industries. Approximately 75% of reviewers commend their proactive approach and efficient delivery, while 25% mention room for improvement in communication and meeting deadlines. Overall, Konfront is praised for its effective project management and ability to adapt solutions to meet client needs.
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$10,000+$25 - $49 / hr50 - 249Hyderabad, India
Services provided
See all 8 projectsWalkingTree Technologies is a versatile software development company that specializes in solutions ranging from AI and data engineering to full-stack and mobile app development. Across various reviews, they received overwhelmingly positive feedback for their technical skills, communication, and project management. Approximately 83% of reviewers highlighted their technical competence, while 67% praised their responsiveness and professionalism. Their ability to deliver high-quality work on time is consistently noted, with clients impressed by their flexibility and team spirit.
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$25,000+$150 - $199 / hr10 - 49San Jose, CA
Services provided
See all 4 projectsE8 Labs is a versatile development company specializing in web and app development services. Client feedback highlights their professionalism, effective project management, and dedication to understanding client needs. A significant 100% of reviewers emphasize E8 Labs' strong communication and commitment to project success, while 75% mention their responsiveness and flexibility, indicating high client satisfaction and trust.
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$10,000+$25 - $49 / hr10 - 49Thane, India
Services provided
See all 6 projectsNeolite Infotech India Pvt Ltd is a diversified IT services company specializing in web development, e-commerce solutions, and digital marketing. They have received overwhelmingly positive feedback, with approximately 95% of reviewers highlighting their professionalism, support, and cost-effectiveness. Clients appreciate their meticulous project management and transparent communication, contributing to successful outcomes across various projects.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 4 projectsMagnatesage Technologies is a software development company specializing in mobile app development and ongoing support services. Reviews highlight their proactive approach in guiding clients through software specifications and their adaptability in providing solutions. A consistent theme is their reliability and strong communication, with approximately 90% of feedback being positive. Clients appreciate their professionalism, expertise, and cost-effective solutions, noting successful collaborations despite time zone challenges.
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$1,000+$25 - $49 / hr10 - 49
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See all 3 projectsSwiftle.io is a no-code development company specializing in web and app development, including platforms built on Bubble and SendGrid integration. Client feedback highlights their prompt communication, professionalism, and swift project delivery, with a 100% positive satisfaction rate and commendations for quick responses and budget-friendly services. Suggestions for improvement include increasing real-time communication through more online calls.
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$10,000+$50 - $99 / hr10 - 49Wrocław, Poland
Services provided
See all 6 projectsGenuitek is a software development company specializing in mobile and web application development, known for its technical expertise and agile methodology. The company receives overwhelmingly positive feedback, with approximately 90% of reviews praising its technical skills, project management, and ability to deliver high-quality solutions on time and within budget. Clients commend Genuitek's professionalism, commitment, and innovative approach to software development.
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$5,000+$25 - $49 / hr10 - 49Indore, India
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See all 1 projectsRatufa Software Technologies Private Limited is a software development company specializing in mobile app solutions for Android, iOS, and web platforms. Reviews indicate a 4 out of 5 quality rating, with 90% of projects delivered on-time. Clients appreciate their professionalism, flexibility, and effective project management, despite minor delays and occasional remote collaboration challenges.
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$10,000+$25 - $49 / hr50 - 249Bellevue, WA
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See all 1 projectsVirtuosity Consulting is a consultancy firm specializing in providing program managers and developers to streamline release processes for enterprises. The company receives overwhelmingly positive feedback, with clients highlighting their ownership of projects, flexibility, and seamless integration as an extension of the team. Nearly all reviewers emphasize their excellent service quality and adaptability to changing demands.
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$10,000+$25 - $49 / hr10 - 49
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See all 6 projectsnuSoft, Inc. is a versatile technology solutions provider offering services such as data analytics, software development, web development, and full-stack engineering. The company is consistently praised for its strong culture fit, technical expertise, and efficient communication. Approximately 80% of reviewers highlight their professional communication, while nearly 100% are impressed by their technical skills and timely delivery.
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$10,000+$50 - $99 / hr10 - 49Naperville, IL
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See all 7 projectsInspirit Dev is a versatile software development company specializing in AI-driven solutions, web development, and blockchain integrations. Across their reviews, 100% of clients praise their timeliness, professionalism, and exceptional project management. Clients consistently highlight the team's proactive approach, seamless integration with internal teams, and their strong alignment with client values and goals.
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$25,000+$25 - $49 / hr50 - 249Stevenage, England
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See all 6 projectsLAYOUTindex is a versatile technology company specializing in web and mobile app development, offering tailored solutions to meet diverse client needs. The company has received consistently positive feedback, with approximately 90% of reviews highlighting their technical competence, responsiveness, and innovative approach. Clients commend LAYOUTindex for their effective project management and ability to transform concepts into successful digital products.
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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.8/40.020/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
37.8/40.020/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$100,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
34.7/40.019/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
32.1/40.016.6/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34/40.018.8/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.6/40.015.8/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.8/10 Clients & Experience3.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
30.8/40.016.4/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
30.7/40.016.2/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
30.5/40.015.2/20 Reviews8.8/10 Clients & Experience6.6/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
36.4/40.020/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
33.3/40.019.6/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.1/40.015.8/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$10,000+$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
35.4/40.019.6/20 Reviews9.1/10 Clients & Experience6.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
33.5/40.017.2/20 Reviews9.8/10 Clients & Experience6.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
31.8/40.017.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$1,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
34.8/40.017/20 Reviews9.7/10 Clients & Experience8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$150 - $199 / hr50 - 249Claymont, DE
Ability to deliver
33.3/40.016.6/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.3/40.016.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34/40.017.8/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.6/40.016.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
32.6/40.018.6/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31.5/40.017.2/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.4/40.016.4/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
28.2/40.016.2/20 Reviews7.8/10 Clients & Experience4.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
34.2/40.018.8/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
10% Enterprise App Modernization90% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.