20 Best Mobile App Testing Companies (2026)
Building a mobile app is one thing. Making sure it works smoothly across dozens of devices, operating systems, screen sizes, and network conditions is another challenge entirely. Even well-designed applications can run into unexpected issues once they reach real users. That is why many businesses turn to specialized testing providers that focus on quality assurance before and after release.
This list brings together mobile app testing companies that help organizations identify bugs, improve performance, verify security, and deliver a more consistent user experience. Some work exclusively in software testing, while others combine quality assurance with broader engineering services. Whether a company is launching a new application or maintaining an established product, the firms featured below offer different approaches to mobile testing across iOS, Android, and cross-platform environments.
1. Oski Solutions
At Oski Solutions, we work on mobile applications as part of broader software development projects for companies that are updating existing systems, launching new digital products, or expanding internal capabilities. Mobile testing is integrated into the development cycle from the beginning, helping us identify usability issues, compatibility concerns, and functional problems before applications reach end users. Our work covers both iOS and Android environments, with a focus on building applications that fit into larger business processes rather than functioning as isolated products.
Quality assurance is one area we pay particular attention to during mobile development. We test applications across different devices, screen sizes, and usage scenarios to verify that features perform as expected under real-world conditions. Alongside testing, we support businesses with UI and UX design, application maintenance, API integrations, and cross-platform development.
Key Highlights:
Mobile application testing as part of the development lifecycle
Cross-platform development for iOS and Android environments
Support for custom software modernization projects
Experience working with mid-sized companies and growing startups
Ongoing maintenance and application support after launch
Services:
Mobile app testing
Quality assurance and validation
Custom mobile application development
Cross-platform mobile development
UI/UX design
Mobile application maintenance and support
Custom API development
CRM and ERP integrations
Contact Information:
Website: oski.site
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/oski-solutions
Address: Kaupmehe tn 7, 10114 Tallinn, Estonia
Phone: +48571282759
Mobile App Testing Services
Ensure high quality, performance, and reliability of your mobile applications through comprehensive manual and automated testing with an experienced testing team.
2. KiwiQA
KiwiQA focuses heavily on quality assurance and software testing, with mobile application testing forming a significant part of its service offering. The company works across Android and iOS platforms, helping organizations evaluate how applications perform under different conditions, devices, operating systems, and network environments. Their approach covers both functional and non-functional testing, allowing teams to identify issues related to performance, stability, usability, and security before software reaches users.
Beyond traditional testing activities, KiwiQA also works with newer testing practices such as AI-assisted automation, continuous testing within CI/CD pipelines, accessibility validation, cross-platform testing, and real-device cloud environments. The company places attention on areas that often affect everyday app usage, including connectivity changes, device compatibility, localization, installation processes, and regression testing after updates.
Key Highlights:
Mobile testing for Android and iOS applications
Experience with AI-assisted test automation
Cross-platform testing across devices and operating systems
Real-device and cloud-based testing environments
Services:
Mobile app testing
Functional testing
Regression testing
Usability testing
Accessibility testing
Security testing
Contact Information:
Website: www.kiwiqa.com
E-mail: [email protected]
Facebook: www.facebook.com/kiwiqaservicesptyltd
Twitter: x.com/KQSPL
LinkedIn: www.linkedin.com/company/kiwiqa-services
Instagram: www.instagram.com/kiwiqa_services
Address: Suite 309, 20A Lexington Drive, BellaVista, NSW 2146
Phone: +61 472 869 800
3. A-listware
A-listware provides mobile application testing as part of its broader software quality assurance practice. They combine manual and automated testing methods to evaluate application behavior, user interactions, and overall reliability. Rather than relying on a fixed process, A-listware adapts testing activities to the specific requirements of each project, allowing development teams to focus on issues that are most relevant to their applications.
Their testing work includes both real devices and emulators, helping identify differences that may appear across environments. A-listware also develops automated testing solutions that fit into existing development workflows, making it easier to run recurring tests throughout the software lifecycle. The company works with organizations in industries such as healthcare, finance, and education where application quality and consistency are often closely monitored.
Key Highlights:
Combines manual and automated testing approaches
Tests applications on real devices and emulators
Supports software quality assurance activities throughout development
Creates automated testing solutions for ongoing use
Works with organizations across multiple industries
Services:
Mobile app testing
Web application testing
Automated test development
Functional testing
Regression testing
Software quality assurance support
Contact Information:
Website: a-listware.com
E-mail: [email protected]
Facebook: www.facebook.com/alistware
LinkedIn: www.linkedin.com/company/a-listware
Address: St. Leonards-On-Sea, TN37 7TA, UK
Phone: +44 (0)142 439 01 40
4. Vention
Vention provides mobile application testing services for companies developing iOS, Android, and cross-platform applications. Their testing process covers a range of conditions that can affect app behavior, including interruptions, connectivity changes, device compatibility, compliance requirements, and performance under varying workloads.
Testing activities are supported by both manual and automated methods, along with reporting that helps teams track issues and improvements between testing cycles. Vention works with a combination of physical devices, emulators, and automation frameworks to evaluate application stability and usability across different environments.
Key Highlights:
Mobile testing for iOS, Android, and cross-platform applications
Interruption and connectivity testing capabilities
Automated testing and quality assessment services
Testing across physical devices and emulators
Services:
Compatibility testing
Connectivity testing
Interruption testing
Compliance testing
Mobile app testing
Performance testing
Automated testing
Contact Information:
Website: ventionteams.com
E-mail: [email protected]
Twitter: x.com/ventionteams
LinkedIn: www.linkedin.com/company/ventionteams
Instagram: www.instagram.com/ventionteams
Address: 575 Lexington Avenue, 14th Floor NY 10022
Phone: 718 374 5043
5. SoftPro
SoftPro is a software development company that works with custom applications, web platforms, cloud systems, and AI-driven solutions. Alongside development services, they support software quality efforts that help businesses maintain stable and reliable applications. Their technical background is largely centered around Microsoft technologies, including .NET, ASP.NET, .NET Core, and Azure, which are commonly used in business software environments.
When mobile applications are part of a broader software ecosystem, testing becomes closely connected with performance, functionality, and integration requirements. SoftPro's experience across frontend, backend, cloud, and CMS technologies allows them to evaluate how applications behave within larger systems rather than focusing only on isolated features. Their work is often connected to business modernization, process improvement, and long-term software maintenance.
Key Highlights:
Experience with Microsoft-based technology stacks
Works with custom software and web applications
Supports cloud-native and cloud migration initiatives
Services:
Software development
Web application development
Cloud development
Mobile app testing
Artificial intelligence solutions
Custom software development
Backend development
Contact Information:
Website: soft-pro.pl
LinkedIn: www.linkedin.com/in/kyrylo-o
Address: Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401, Warsaw, Poland
Phone: +48 571 282 759
6. TestMatick
TestMatick focuses specifically on software testing and quality assurance services, with mobile application testing being one of its core areas. They conduct testing on a large range of physical mobile devices to identify issues that may not appear in emulated environments. This includes evaluating how applications behave across different operating systems, screen sizes, hardware configurations, and network conditions.
TestMatick also reviews performance, usability, compatibility, and security aspects while examining how applications respond to real-world conditions such as unstable connections, device-specific behavior, gesture controls, and varying screen resolutions. The company structures its testing activities around dedicated planning, environment preparation, execution, and reporting stages.
Key Highlights:
Testing performed on real mobile devices
Coverage across iOS and Android platforms
Focus on real-world usage conditions
Security and usability testing capabilities
Services:
Functional testing
Performance testing
Compatibility testing
Usability testing
Security testing
Mobile app testing
Contact Information:
Website: testmatick.com
E-mail: [email protected]
Facebook: www.facebook.com/testmatick
Twitter: x.com/testmatick
LinkedIn: www.linkedin.com/company/testmatick
Instagram: www.instagram.com/testmatick.team
Address: 276 5th Ave Suite 704, New York, NY 10018
Phone: +1 (212) 203-8264
7. 21Century.Tech
21Century.Tech operates as an AI-native software studio that combines software engineering with AI-assisted development workflows. Their approach relies on senior engineers working alongside AI tools throughout development, while keeping architectural decisions, reviews, quality assurance, and accountability under human supervision.
Because automated test generation is integrated into their workflow, testing is treated as part of the development process rather than a separate phase at the end. The company works with web applications, product development, integrations, and software modernization efforts, using AI to assist with repetitive engineering tasks while engineers remain responsible for reviewing outcomes and maintaining software quality.
Key Highlights:
AI-assisted software development workflow
Human-reviewed testing and quality assurance
Automated test generation during development
Focus on rapid software delivery cycles
Senior engineering oversight throughout projects
Services:
Mobile app testing
Quality assurance
Automated testing
Software development
Product development
Legacy system refactoring
Third-party integrations
Contact Information:
Website: 21century.tech
E-mail: [email protected]
8. iBeta
iBeta focuses on software testing and quality assurance services, with mobile application testing covering both functionality and user experience across major mobile operating systems. They perform testing on physical devices rather than emulators, allowing their teams to examine how applications behave on different hardware configurations, operating systems, browsers, and carrier networks. Their testing process is designed to fit into existing development workflows while providing detailed bug reports that development teams can reproduce and address.
Their testing environments include a large inventory of smartphones and tablets, which helps them assess how applications respond to variations in screen sizes, device capabilities, and user interactions. The company also works with mobile SDK testing, localization reviews, automated testing, and security-focused quality assurance activities.
Key Highlights:
Uses physical mobile devices for testing
Maintains a large inventory of phones and tablets
Tests across multiple operating systems and carriers
Adapts testing activities to client development processes
Services:
Functionality testing
Usability testing
Performance testing
Compatibility testing
Accessibility testing
Mobile app testing
Contact Information:
Website: www.ibeta.com
E-mail: [email protected]
Facebook: www.facebook.com/ibetaqa
Twitter: x.com/ibetaqa
LinkedIn: www.linkedin.com/company/ibeta-quality-assurance
Address: 2675 S Abilene Street, Suite 300, Aurora, CO 80014
Phone: 303.627.1110
9. ScienceSoft
ScienceSoft provides mobile testing services for native, cross-platform, and mobile web applications. Their testing teams work with applications throughout different stages of the software lifecycle, validating functionality, performance, security, compatibility, and usability.
ScienceSoft chooses target devices based on user demographics, regional usage patterns, and project requirements. Their teams cooperate with developers, designers, analysts, and stakeholders throughout testing cycles while providing ongoing reporting and analysis.
Key Highlights:
Tests native, cross-platform, and mobile web applications
Supports compliance and regulatory testing
Uses structured device selection strategies
Provides automated and manual testing approaches
Maintains dedicated testing expertise and internal testing practices
Services:
Functional testing
Usability testing
Performance testing
Mobile app testing
Compatibility testing
Security testing
Compliance testing
Contact Information:
Website: www.scnsoft.com
E-mail: [email protected]
Facebook: www.facebook.com/sciencesoft.solutions
Twitter: x.com/ScienceSoft
LinkedIn: www.linkedin.com/company/sciencesoft
Address: 5900 S. Lake Forest Drive Suite 300, McKinney, Dallas area, TX 75070
Phone: +1 214 306 6837
10. Mobian
Mobian develops custom mobile applications, particularly in healthcare and financial technology. Because their work centers on building mobile solutions for Android and iOS, testing forms a natural part of the development process to ensure applications remain stable, accessible, and easy to use. Their experience with business-focused applications means attention is often placed on user flows, account functionality, service access, and overall application reliability.
The company handles projects from planning and design through deployment, combining mobile development with backend engineering and product analytics. Mobian also places emphasis on interface design and usability, which influences how applications are reviewed and refined before release.
Key Highlights:
Focus on business mobile applications
Experience in MedTech and FinTech sectors
Supports both Android and iOS platforms
Combines development with product analytics
Provides ongoing project reporting
Services:
Mobile app testing
Android application development
iOS application development
Backend development
UX design
Product analytics
Contact Information:
Website: mobian.studio
Email: [email protected]
LinkedIn: www.linkedin.com/company/mobian-studio
Address: Harju maakond, Tallinn, Kesklinna Linnaosa, Masina tn 22, 10113
11. TestFort
TestFort works primarily in software quality assurance, helping organizations evaluate the reliability, security, and performance of mobile applications before release and throughout ongoing development. Their testing activities cover both Android and iOS platforms, with teams using physical devices to assess how applications behave in real usage conditions.
Mobile applications often need to function across different device models, operating systems, and network environments. TestFort addresses these challenges through compatibility, performance, localization, and security testing. The company also supports businesses that need additional QA capacity or access to testing expertise without building a dedicated in-house mobile testing team.
Key Highlights:
Testing performed on real mobile devices
Supports Android and iOS applications
Covers both manual and automated testing
Focuses on application stability and scalability
Services:
Mobile app testing
Manual testing
Test automation
Compatibility testing
Performance testing
Security testing
Localization testing
Contact Information:
Website: testfort.com
E-mail: [email protected]
Twitter: x.com/Testfort_inc
LinkedIn: www.linkedin.com/company/testfortqa
Instagram: www.instagram.com/testfort_ua
Address: USA, 30 N Gould St Ste R Sheridan, WY 82801
Phone: +1 310 388 93 34
12. Net Devs
Net Devs develops enterprise software using a combination of senior engineering oversight and AI-assisted delivery processes. Quality assurance is integrated into their development workflow, where automated and manual testing activities are carried out before software reaches production environments.
Testing is treated as a standard part of delivery rather than a separate add-on. Net Devs includes QA activities during development, focusing on software correctness, stability, and security. Because they work across technologies such as .NET, Java, Node.js, Python, Go, React, Angular, and Vue, their testing efforts extend to both backend systems and user-facing applications, including mobile and web environments.
Key Highlights:
Senior engineer-led delivery model
AI-assisted development and testing workflows
Automated and manual QA processes
Experience across cloud-native environments
Works with multiple programming languages and frameworks
Services:
Mobile app testing
Quality assurance
Automated testing
Manual testing
Enterprise software development
AI engineering
Cloud and platform engineering
Contact Information:
Website: net-devs.com
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/net-devs
Address: Obrzeżna 1D, 02-691 Warszawa, Poland
Phone: +48 571 282 759
13. Testriq
Testriq provides mobile application testing services focused on Android, iOS, cross-platform applications, tablets, and wearable devices. Their testing process covers functional behavior, performance, security, usability, compatibility, and compliance requirements.
Their work also includes security reviews, automation frameworks, real-device testing, and validation for newer technologies such as foldable devices, wearable platforms, and advanced network conditions. Testriq follows a structured testing process that begins with requirement analysis and environment setup before moving through execution and issue reporting stages.
Key Highlights:
Tests iOS, Android, and cross-platform applications
Covers tablets, wearables, and alternative device formats
Uses real-device testing environments
Supports security and penetration testing activities
Services:
Functional testing
Performance testing
Mobile app testing
Security testing
Penetration testing
Contact Information:
Website: www.testriq.com
E-mail: [email protected]
Facebook: www.facebook.com/testriq.lab
Twitter: x.com/testriq
LinkedIn: www.linkedin.com/company/testriq-qa-lab
Instagram: www.instagram.com/testriq
Address: Office #2, 2nd Floor, Ashley Tower, Kanakia Road, Vagad Nagar, Beverly Park, Mira Road, Mira Bhayandar, Mumbai, Maharashtra 401107
Phone: (+91) 915-2929-343
14. Gilzor
Gilzor develops mobile applications for iOS, Android, and cross-platform environments while incorporating quality assurance throughout the product lifecycle. Their mobile services cover everything from design and backend integration to release preparation and ongoing support. Testing is included during development and before launch to help identify issues related to functionality, performance, compatibility, and user experience.
The company also works with businesses that need improvements to existing applications. Gilzor addresses challenges such as crashes, slow performance, interface problems, compatibility issues, and architectural limitations that can affect application stability.
Key Highlights:
Supports iOS, Android, and cross-platform applications
Includes QA throughout the development process
Performs release testing before deployment
Services:
Quality assurance
iOS app development
Android app development
Cross-platform app development
UX/UI design
Mobile app testing
Contact Information:
Website: www.gilzor.com
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/gilzor-softwaredevelopment
Address: Poland, Warsaw, Office 58, street Adama Mickiewicza 37, 01-625
15. Testlio
Testlio provides mobile application testing through a managed testing model that combines human testers, technology platforms, and AI-supported processes. Their approach is designed to help organizations test applications across a broad range of devices, operating systems, languages, countries, and payment methods. Mobile testing is one of the company's primary service areas, alongside accessibility, localization, usability, and customer journey testing.
Testlio works with a global testing community that allows testing coverage to expand when needed. This helps them evaluate how applications perform under different real-world conditions and user environments. Their services are used for ongoing releases, regression testing, functional validation, and broader quality assurance activities across mobile platforms.
Key Highlights:
Managed mobile testing model
Access to a global tester community
Supports testing across multiple countries and languages
Combines human testing with AI-assisted processes
Covers device, operating system, and payment method variations
Services:
Mobile app testing
Functional testing
Regression testing
Accessibility testing
Localization testing
Usability testing
Contact Information:
Website: www.testlio.com
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/testlio
Address: 8911 N Capital of Texas Hwy, Suite 4200 #1081, Austin, TX 78759, United States
16. Innowise
Innowise offers mobile application testing services for businesses developing iOS, Android, hybrid, cross-platform, web-based, and gaming applications. Their testing activities cover functional behavior, security, compliance, usability, accessibility, and performance across different devices and network conditions. The company follows a structured QA process that includes planning, risk assessment, reporting, and post-release support.
Testing at Innowise is closely integrated with development workflows, allowing QA specialists to work alongside product and engineering teams. They place emphasis on risk-based testing and continuous feedback, helping teams focus on areas that have the greatest impact on users and business operations. Beyond defect detection, they also support audit readiness, regulatory compliance, and automation within CI/CD environments.
Key Highlights:
Tests native, hybrid, cross-platform, and mobile web apps
Supports security and compliance validation
Uses risk-based QA planning
Integrates testing into development workflows
Provides post-launch testing support
Covers accessibility and usability requirements
Services:
Functional testing
Cross-device compatibility testing
Compliance testing
Mobile app testing
Security testing
Penetration testing
Test automation
Contact Information:
Website: innowise.com
E-mail: [email protected]
Twitter: x.com/innowisegroup
LinkedIn: www.linkedin.com/company/innowise-group
Address: Pescara 66023, Via N. Adriatica Nord 58, Francavilla al Mare, Italy
Phone: +48 787 027 706
17. Clickworker
Clickworker provides mobile app testing services through a large global crowd of testers who evaluate applications under real-world conditions. Their approach focuses on manual testing across different stages of development, helping companies collect direct feedback from users while identifying issues related to functionality, usability, compatibility, and performance. Clickworker gathers input from people using different devices, operating systems, and regional settings.
Clickworker supports businesses that need localized feedback and market-specific validation. The company can organize testing for native, web, and hybrid applications while also assisting with competitor comparisons and user sentiment analysis.
Key Highlights:
Uses a global crowd of real testers
Supports testing throughout the app development lifecycle
Provides manual testing across multiple devices and operating systems
Offers localized testing for different markets and languages
Covers native, web, and hybrid applications
Services:
Mobile app testing
Functional testing
Usability testing
UX testing
Compatibility testing
Performance testing
Contact Information:
Website: www.clickworker.com
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/clickworker
Address: Büropark Bredeney, Theodor-Althoff-Str. 41, 45133 Essen, Germany
Phone: +49 201 95971830
18. White Test Lab
White Test Lab focuses on software testing and quality assurance services, with mobile application testing being one of its core areas. Their team works with both iOS and Android applications, checking functionality, usability, compatibility, and overall application behavior across different devices and operating systems. Testing is performed through a structured process that includes planning, execution, reporting, and recommendations for improvement.
The company offers both manual and automated testing approaches and also involves usability evaluations to better understand how applications perform from the user's perspective. White Test Lab works with a variety of software products and provides additional testing services covering web applications, APIs, accessibility, performance, and end-to-end validation.
Key Highlights:
Provides testing for iOS and Android applications
Uses both manual and automated testing methods
Covers functional and non-functional testing areas
Includes usability and compatibility testing
Delivers detailed testing reports
Services:
Mobile app testing
Manual testing
Automation testing
Functional testing
Usability testing
Compatibility testing
Contact Information:
Website: white-test.com
E-mail: [email protected]
LinkedIn: www.linkedin.com/company/white-test-lab
Phone: +380 66 364 13 53
19. DeviQA
DeviQA specializes in software testing and quality engineering, offering dedicated mobile application testing services for iOS, Android, and cross-platform products. Their work covers a broad range of testing activities, including functional, compatibility, security, performance, accessibility, and localization testing. Mobile applications are tested on real devices and under different network conditions to evaluate how they behave outside controlled environments.
DeviQA integrates testing into broader QA processes that support ongoing releases and product development. The company provides several engagement models, including dedicated QA teams, staff augmentation, and fully managed testing services.
Key Highlights:
Tests iOS, Android, and cross-platform applications
Uses real-device testing environments
Supports both manual and automated testing
Offers flexible QA engagement models
Covers accessibility, security, and localization testing
Services:
Mobile app testing
Automated testing
Manual testing
QA outsourcing
Compatibility testing
Dedicated QA teams
Security testing
Contact Information:
Website: www.deviqa.com
E-mail: [email protected]
Facebook: www.facebook.com/deviQASolutions
LinkedIn: www.linkedin.com/company/deviqa
Address: 9 Brighton Terrace, London
Phone: +1 805 491 9331
20. Telliant Systems
Telliant Systems provides software quality assurance and mobile application testing services for organizations building products across iOS and Android platforms. Their approach focuses on validating how applications behave in real-world conditions, covering functionality, navigation, device integrations, notifications, and overall user experience.
Mobile testing is treated as a separate discipline with its own requirements, rather than an extension of web or desktop testing. Telliant Systems examines how applications respond to different network conditions, device interruptions, localization requirements, and security risks. Their team also assists with planning mobile testing strategies, helping organizations determine device coverage, operating system support, testing environments, and release preparation for app stores.
Key Highlights:
Provides testing services for iOS and Android applications
Supports mobile-first product development initiatives
Covers both functional and non-functional testing
Assists with mobile testing strategy planning
Services:
Mobile testing strategy
Functional testing
Mobile app development
Mobile app testing
Usability testing
Project rescue services
Environmental testing
Contact Information:
Website: www.telliant.com
E-mail: [email protected]
Facebook: www.facebook.com/telliantsystems
Twitter: x.com/telliantsystems
LinkedIn: www.linkedin.com/company/telliant-systems
Instagram: www.instagram.com/telliantsystems
Address: 3180 North Point Parkway, Suite 108, Alpharetta, GA 30005, USA
Phone: (678)-892-2800
Conclusion
Building a mobile application is only part of the work. Making sure it performs well across different devices, operating systems, network conditions, and user environments is where testing becomes essential. Even a well-designed app can lose users quickly if crashes, performance issues, or compatibility problems appear after release. That is why many companies choose to work with specialized mobile app testing providers that can evaluate software from multiple angles before it reaches the end user.
The companies featured in this list take different approaches to mobile testing. Some focus entirely on quality assurance, while others combine testing with software development, automation, security reviews, or broader digital services. The right choice depends on the complexity of your application, your release schedule, and the level of testing support you need. Taking the time to compare capabilities, testing methods, and team expertise can help you find a partner that fits your product and development process rather than forcing your project into a one-size-fits-all model.