Top Application Modernization Services
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$25,000+Undisclosed10 - 49
Services provided
See all 4 projectsCoretec Inc. is a versatile software development company, providing services such as web and app development, backend upgrades, and custom platform creation. The majority of feedback is positive, with approximately 90% of reviewers praising their communication, professionalism, and timely delivery. Clients appreciate their flexible, client-focused approach, though some note challenges with onboarding due to rapid growth.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsZTABS is a software development company specializing in designing and implementing complex web platforms and systems. They have received highly positive feedback for their work, with notable praise for their effective project management and clear communication, mentioned in 100% of reviews. Clients appreciate their availability, quick delivery, and the ability to accommodate dynamic project needs, although some suggest improvements in collaborative design tools.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsCOPODS DESIGN TECHNOLOGY SOLUTIONS LLP is a UI/UX design company known for its thorough discovery process and collaborative approach. Reviewers highlight their expertise, with 100% of feedback expressing satisfaction with their project management and design execution. They are commended for their entrepreneurial mindset and ability to provide honest feedback.
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$5,000+$25 - $49 / hr10 - 49Vinnytsia, Ukraine
Services provided
See all 3 projectsEvenmore is a front-end development company renowned for its expertise in providing skilled developers and effective solutions for projects involving technologies like React and Angular. Client feedback is overwhelmingly positive, with 100% of reviewers praising their problem-solving skills, timely delivery, and high-quality code. Their ability to simplify complex tasks and attention to detail are consistently highlighted.
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$1,000+< $25 / hr10 - 49Mira Bhayandar, India
Services provided
See all 2 projectsReputableTechnologies pvt. ltd. is an e-commerce and mobile app development company noted for its strong project management and supportive team. With 100% positive feedback, clients appreciate their ability to meet deadlines and deliver quality products, such as e-commerce platforms and mobile applications, at competitive prices. Their expertise in integrating geolocation and email notifications is frequently highlighted by reviewers.
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$1,000+< $25 / hr10 - 49Mumbai, India
Services provided
See all 1 projectsCodes 'n' Coffee Tech. is a software development company specializing in creating custom CRM and practice management solutions. The overall feedback from reviews is highly positive, with notable praise for their efficient project management and innovative UX design. Approximately 100% of reviewers highlight improvements in work processes, while some suggest more thorough initial testing.
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$5,000+$50 - $99 / hr10 - 49Warszawa, Poland
Services provided
See all 1 projectsH&K Soft Company is a software development firm specializing in back-end engineering and full-stack projects, particularly in the online education sector. The reviews highlight a high level of client satisfaction, emphasizing their flexibility, strong communication skills, and commitment to project success, with approximately 100% positive feedback regarding their attitude and teamwork.
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UndisclosedUndisclosed10 - 49Zagreb, Croatia
Services provided
See all 1 projectsIgnitech Solutions is a business and Agile consulting firm that excels in integrating Scrum and Agile practices within organizations. Their reviews are overwhelmingly positive, highlighting impressive culture alignment, on-time delivery, and exceptional project management. Notably, 100% of the feedback praised their ability to improve communication and organizational structure, leading to higher project success rates.
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$5,000+$25 - $49 / hr10 - 49Vancouver, Canada
Services provided
See all 1 projectsIT Kapital is a technology company specializing in developing automation systems for operational processes. Their services are highly praised, with 100% positive feedback for enhancing efficiency and maintaining quality standards. Clients appreciate their bilingual (Spanish and English) team and professional approach, though some suggest more guidance during the testing phase.
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$25,000+$150 - $199 / hr10 - 49
Services provided
See all 4 projectsCrux Digital is a versatile software development company specializing in UX/UI design, no-code prototyping, and frontend architecture. Reviewers consistently commend their flexibility, efficient project management, and ability to deliver high-quality prototypes and functional features within budget constraints. While 75% of the feedback highlights their impressive adaptability and domain expertise, a minor area for improvement is adhering to delivery timelines.
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$10,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
See all 5 projectsVigored is a web development company known for designing custom-built WordPress sites. Their reviews reflect a 100% positive feedback rate, with clients praising their skill, responsiveness, and flexibility. Notably, 100% of reviewers commend their project management and personal touch, highlighting Vigored as a reliable partner that seamlessly integrates with client teams.
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$5,000+$25 - $49 / hr10 - 49Victoria, Canada
Services provided
See all 10 projectsSaveOnDev is a versatile development company specializing in web and mobile app development, often using technologies such as React, Node.js, and MEAN stack. The feedback highlights their strong project management skills and effective communication, with over 80% of reviews praising their responsiveness and flexibility. Clients were consistently satisfied, with notable appreciation for their ability to deliver cost-effective solutions. While some areas for improvement were noted, such as timeline clarity and grammatical precision, the overall client experience was highly positive.
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$10,000+$200 - $300 / hr2 - 9
Services provided
See all 3 projectsSolved is a professional software development company specializing in app and platform development using advanced technologies such as AngularJS and Scala. They have consistently delivered high-quality solutions tailored to client needs. Nearly 100% of reviewers commend their technical expertise and project management skills, noting their ability to meet deadlines and exceed expectations. Despite their small size, Solved's impactful work and reasonable pricing have been widely appreciated.
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$50,000+$25 - $49 / hr50 - 249Bogotá, Colombia
Services provided
See all 1 projectsLucasian Labs is a technology consulting firm that specializes in comprehensive technical assessments and optimization strategies. The reviews highlight their deep technical knowledge and attention to detail, with 100% of the feedback being positive. Clients appreciate their effective communication and detailed analysis, leading to actionable improvement plans for digital platforms.
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$25,000+$100 - $149 / hr10 - 49Hilversum, Netherlands
Services provided
See all 2 projectsElastique is a technology company specializing in web and app development, with a strong focus on creating user-friendly and responsive digital platforms. Across their reviews, clients commend Elastique for their quality of development, creative problem-solving, and effective communication, with 100% positive feedback. Notably, 50% of reviewers highlight the accessibility and skill of their development team.
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$10,000+$150 - $199 / hr10 - 49Loveland, CO
Services provided
See all 1 projectsRadial Development Group, LLC is a versatile software development company that effectively augments teams by addressing complex technical challenges such as dependency management and CI/CD pipelines. Notable strengths include professional communication and agile methodologies, with 100% of reviewers praising their problem-solving capabilities, though some suggest more frequent communication could enhance efficiency.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsSynergyBoat Solutions is a custom software development company known for integrating multiple technologies into cohesive platforms. They excel in data quality, user experience, and strategic partnership, with 100% of feedback highlighting their technical expertise and business understanding. However, they could improve on setting clearer boundaries and managing customer expectations.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsAppteamPro is a mobile app development company, specializing in creating innovative fitness applications. With a focus on enhancing client concepts beyond expectations, they deliver impressive results, achieving top-5 rankings in multiple countries. Their proactive and professional approach is highlighted by 100% positive feedback, with clients lauding their exceptional project management and dedication to app success.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsDeverno Inc. is a software development company specializing in custom software solutions using .NET, C#, and Microsoft SQL Server. Feedback from clients is overwhelmingly positive, highlighting their attention to detail and effective project management, with 100% of reviewers expressing satisfaction with their services and noting timely delivery of projects.
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$10,000+$25 - $49 / hr2 - 9Zaporizhzhia, Ukraine
Services provided
See all 1 projectsAcrovations is a mobile application development company with expertise in creating complex projects using technologies like Microsoft Azure and Xamarin. The overall feedback from clients is positive, highlighting effective communication and professional skills, with 100% of reviewers expressing satisfaction and recommending the company for future projects.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsBFlow is a development company specializing in custom Salesforce solutions. Feedback indicates strong satisfaction with their services, particularly noting their problem-solving abilities and excellent communication. No negative aspects were mentioned, with 100% of reviewers highlighting their understanding of business needs and commitment to client missions.
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Undisclosed< $25 / hr2 - 9
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See all 1 projectsCodeBridle is a web development company specializing in WordPress site construction. Based on client reviews, they consistently deliver projects on time, within budget, and with high-quality outcomes. All feedback was positive, highlighting their adherence to deadlines and effective communication, with 100% of reviewers noting their punctuality and budget management.
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$25,000+$150 - $199 / hr2 - 9
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See all 1 projectsBitprism LLC is a company specializing in Enterprise Application Modernization, offering services such as application and platform modernization. Their reviews are overwhelmingly positive, with 100% of reviewers highlighting their timely delivery and commitment to high standards. Clients appreciate their effective communication, with no areas identified for improvement.
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$10,000+$25 - $49 / hr50 - 249The Woodlands, TX
Services provided
See all 1 projectsWundertec is a software development company specializing in CRM systems and digital solutions, particularly for brand management and ambassador programs. The company is praised for its flexibility, with around 70% of reviews highlighting their adaptability and budget management. However, 30% of reviews indicate room for improvement in time management and proactive conceptual work. Overall, clients appreciate the customized solutions and responsive service they provide.
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$5,000+$50 - $99 / hr2 - 9Poznań, Poland
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See all 3 projectseCodile is a versatile software development company specializing in creating custom platforms, apps, and websites tailored to client needs. Overall, feedback is highly positive, with clients praising their quick response times, strong development skills, and ability to understand client requirements. Approximately 90% of reviews highlight their exceptional project management and communication, while a few suggest improvements in visual guidelines and initial project estimates.
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$5,000+$25 - $49 / hr50 - 249Kraków, Poland
Services provided
See all 42 projectsAxon is a software development company known for creating bespoke digital solutions such as learning management systems, web applications, and mobile apps. They receive predominantly positive feedback, with more than 90% of reviewers praising their professionalism and responsiveness. While their project management is generally effective, a small number of reviews (less than 10%) mention occasional delays due to personnel issues.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
See all 4 projectsDOT Infotech is primarily a technology development company specializing in app development, backend, frontend, and DevOps services. Reviews highlight their strong communication, organization, and technical expertise, with 100% positive feedback regarding their responsiveness and project management. Clients appreciate their senior experts' involvement and effective collaboration, with no significant areas for improvement noted.
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UndisclosedUndisclosed10 - 49Kraków, Poland
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See all 1 projectsOpsenio is a technology consulting firm specializing in updating and modernizing operational processes, particularly through software migration and hardware modernization. Feedback indicates a high satisfaction rate, with 100% of reviewers praising the quality of work and responsiveness, though suggesting minor improvements in Maximo software support. Opsenio is valued for its experience and cost-effective solutions.
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$10,000+$50 - $99 / hr10 - 49Madrid, Spain
Services provided
See all 4 projectsDevelapps is a mobile app development company specializing in creating innovative solutions for iOS and Android platforms. Reviews highlight their strong project management, impressive design capabilities, and professional service. Despite some minor communication challenges, 90% of clients express high satisfaction, appreciating their ability to deliver projects efficiently and effectively while maintaining clear communication and understanding of client needs.
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$50,000+$50 - $99 / hr10 - 49New York, NY
Services provided
See all 1 projectsDRC Systems USA LLC is a technology solutions provider specializing in app development, as evidenced by their work on FitBuddy, a digital fitness platform. Reviews highlight their efficient project management and proactive problem-solving, leading to a 4.8-star average rating and a 35% increase in active users. All feedback was positive, with minor suggestions for faster UI/UX refinements.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.9/40.019.2/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+< $25 / hr1,000 - 9,999San Jose, CA
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.2/40.017.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.4/40.017.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.1/40.016.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38/40.018.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.3/40.017/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
35.1/40.018/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
35.1/40.017.2/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.9/40.018/20 Reviews9.6/10 Clients & Experience9.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.9/40.016.4/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr250 - 999Palo Alto, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
36.7/40.017/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr250 - 999Warszawa, Poland
Ability to deliver
34.6/40.016/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$250,000+$50 - $99 / hr250 - 999Broomfield, CO
Ability to deliver
37.5/40.017.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
30.4/40.017.4/20 Reviews8.2/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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.