21 Best Mobile App Recovery Companies (2026)

Gilzor provides mobile app recovery through technical troubleshooting, mobile app audits, architecture improvements, performance optimization, bug fixing, and ongoing development support. The company works with inherited and previously launched applications as well as new products. Its recovery work can address crashes, freezes, slow performance, compatibility problems, functionality errors, architecture issues, and delivery problems.

Gilzor also offers a fixed-price Mobile App Audit for published iOS and Android apps, with root-cause analysis, prioritized recommendations, effort estimates, and an executive readout. Its case studies include revamping an existing flight-tracking application by changing its architecture, resolving performance issues, fixing bugs, and redesigning the product. 

Yalantis works across the full lifecycle of mobile software, including improvements and maintenance of existing products. Its mobile engineering services cover iOS and Android development, cross-platform applications, testing, integrations, and legacy code modernization.

The company supports post-release enhancement and maintenance in areas such as mobile banking and works on complex products across healthcare, logistics, real estate, retail, banking, and enterprise software. Its combination of modernization, QA, and ongoing engineering makes it applicable to recovery projects where an existing application needs both technical correction and continued development. 

21century.tech provides software development and engineering services for existing and new digital products. Its capabilities include refactoring, testing, architecture, documentation, and production support, which can be useful for mobile applications affected by technical debt or code quality issues.

The company can work on existing codebases and help improve their maintainability while continuing product development. Its engineering approach combines experienced developers with AI-assisted development and automated testing.

ScienceSoft provides mobile application support and maintenance alongside broader application modernization services. Its mobile support model includes L1, L2, and L3 support, corrective, adaptive, preventive, and perfective maintenance. This covers everything from user issues to developer-level fixes.

For more serious recovery projects, ScienceSoft works on application reengineering, rearchitecting, cloud migration, recoding, performance improvements, and functionality changes. Its modernization approach is designed for existing systems where a business needs to improve maintainability, security, performance, or scalability without unnecessarily disrupting operations. 

Koombea works on existing software through application modernization and maintenance services. Its modernization practice includes examining legacy systems, improving performance, adding functionality, integrating newer technologies, and migrating applications to modern infrastructure.

The company also maintains applications it did not originally build, which is particularly relevant when a business needs to hand an existing mobile product to a new engineering partner. Its maintenance services cover bugs, UX improvements, new features, and compatibility with current operating systems and technologies. 

Mobian provides software development, maintenance, and ongoing support for digital products. Its services can help businesses maintain existing mobile applications, resolve technical issues, add new features, and keep products compatible with current operating systems.

The company also works on modernization projects, including updating older mobile applications and improving their architecture. Its ongoing support model makes it suitable for businesses that need recovery work followed by continued development and maintenance.

Simpalm provides dedicated mobile and web app maintenance and support services for existing products. Its mobile maintenance work includes bug fixing, feature updates, security updates, speed optimization, database optimization, server maintenance, and SDK updates.

The company also works on performance problems such as slow loading, crashes, server downtime, and inefficient resource usage. Its support model extends to deeper developer-level troubleshooting when resolving an issue requires changes to the application's source code.

ArcTouch works with established applications that have become outdated because of legacy technology, old interface patterns, or changing product requirements. Its discovery process can be used to assess an existing application and determine how it should be modernized.

The company has also handled app reboot projects where an existing application required a substantial redesign and modernization. Its portfolio covers consumer and enterprise applications across areas such as travel, healthcare, fitness, connected devices, and commerce. 

Net.Devs provides software engineering services that include development, testing, refactoring, modernization, and cloud engineering. These capabilities can support mobile app recovery projects where technical problems extend beyond the mobile application itself and involve APIs, backend systems, or cloud infrastructure.

The company also works with existing production software and can help modernize older systems incrementally. This makes its services relevant to businesses that need to improve an existing application without replacing the entire technology stack.

10Pearls combines mobile development, testing, post-launch support, and legacy software modernization. Its mobile testing services cover load testing, bug resolution, compatibility, usability, and security, while its ongoing support offering addresses updates, issues, functionality, security, and performance.

For applications affected by technical debt, 10Pearls starts with a technology audit and assessment before developing a modernization plan. Its modernization services can include restructuring existing code, rewriting applications around modern architectures, cloud migration, UX changes, and security improvements. 

SoftPro develops custom software and provides maintenance and support for existing applications. Its services include software development, mobile applications, modernization, cloud development, and ongoing technical support, covering several areas that can be involved in an app recovery project.

The company can also help with bug fixes, updates, performance improvements, and modernization of older systems. Its combination of development and maintenance services allows businesses to continue improving an application after the initial recovery work.

MindSea offers a Digital Health Check for existing mobile and web applications that are struggling with technical or product problems. The assessment is designed for apps experiencing slow performance, crashes, poor store ratings, user turnover, outdated code, or problems with an existing development team.

Its review covers the application codebase, technology stack, and server implementation, including whether the existing architecture can support future features. This makes MindSea particularly relevant to recovery projects where a business needs an independent technical assessment before deciding whether to repair, redesign, or rebuild an application. 

RaftLabs provides application maintenance and support for products it built as well as applications inherited from other agencies or developers. Its recovery-oriented services include bug investigation, security patching, dependency updates, performance monitoring, database maintenance, incident response, and minor feature work.

For inherited applications, RaftLabs begins with an onboarding audit covering the codebase, infrastructure, dependencies, test coverage, and known issues. It also offers mobile app migration and rebuild services for legacy Objective-C and Java applications, including migration to Swift and Kotlin. 

Sophylabs focuses on legacy application modernization, including outdated iOS and Android applications. Its mobile modernization work covers Objective-C iOS applications, legacy Java Android applications, PhoneGap, Cordova, Xamarin, and older React Native implementations.

The company rebuilds legacy mobile products using current Swift, Kotlin, or React Native stacks and can handle App Store and Google Play resubmission. Its modernization process also includes codebase assessment, incremental rebuilding, data migration, and post-launch support. 

Itexus provides mobile application development together with testing, bug fixing, maintenance, and post-production support. Its services are relevant to businesses that need to stabilize an existing mobile application and continue developing it after technical problems have been resolved.

The company also supports projects that were originally developed by another team. This can be useful when a business needs to transfer an existing application to a new development partner, address accumulated technical issues, and establish ongoing maintenance.

Multizone has a dedicated mobile app modernization service for outdated iOS and Android applications. Its process starts with an audit, followed by migration to a modern framework, testing, App Store and Google Play submission, and an ongoing managed service for compliance, security, and OS updates.

The company specifically works with applications that have fallen behind current operating systems, security expectations, or store requirements. Its managed model continues after modernization, which can help businesses avoid returning to the same maintenance problems after the recovery project ends. 

SSA Group provides mobile app modernization services aimed at problematic and legacy applications. Its approach uses AI-assisted Flutter migration to consolidate separate iOS and Android codebases into a modern cross-platform architecture.

The company identifies technical triggers such as persistent bugs, low performance, slow responsiveness, outdated technologies, security problems, and undocumented code. This makes its services relevant to recovery projects where technical debt has become a barrier to continued development. 

OSKI Solutions provides application maintenance and support for existing software products. Its services include bug fixing, monitoring, incident response, security updates, performance optimization, dependency updates, and technical debt reduction.

The company also works with legacy and inherited applications, helping stabilize existing codebases before continuing development. Its mobile capabilities include iOS and Android development, crash monitoring, updates, and ongoing maintenance, making it relevant to recovery projects that require both immediate fixes and long-term support.

Clarion Technologies provides mobile app modernization for businesses dealing with high maintenance costs, performance bottlenecks, outdated user experiences, and aging technology. Its modernization work focuses on upgrading existing mobile systems without disrupting business operations or existing users.

The company also combines modernization with broader software engineering and support capabilities, making it suitable for recovery projects that require both technical changes and continued application development after the initial intervention. 

Fulminous Software provides legacy mobile application modernization covering code audits, UI/UX redesign, architecture planning, technology migration, feature enhancement, testing, deployment, and performance monitoring. Its migration work can move older Java or Objective-C code toward Kotlin, Swift, or Flutter.

The company also provides ongoing support after modernization, which can cover maintenance, upgrades, and further improvements. Its recovery services therefore span the technical diagnosis, modernization, testing, and post-release stages of an existing mobile application. 

A-listware handles mobile application recovery through maintenance, support, modernization, architectural redesign, and code refactoring. Its mobile services cover iOS, Android, and cross-platform applications, with testing across functional, performance, UX, security, and accessibility areas.

For existing applications, A-listware provides Level 1 to Level 3 post-launch support, performance management, security services, application evolution, and legacy mobile app modernization. Its modernization work includes architectural redesign and code refactoring, making the company relevant to businesses dealing with aging or difficult-to-maintain applications.