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Hire Mobile App Testers


Deliver high-performing, bug-free mobile applications with our expert mobile app testing services. Whether you're launching a new product or scaling an existing one, our QA professionals ensure that every feature works perfectly—on every screen, OS, and device combination. 

  • Manual & Automated Testing for iOS and Android 
  • Real Device Testing Across Multiple Environments 
  • Usability, Functionality & Compatibility Validation 
  • Pre-Launch Bug Identification & Regression Testing 
  • Performance, Load & Security Testing 


Get Top Mobile App Testers Now ​​

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Hire Mobile App Testers

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End-to-End Mobile App Testing Services for Flawless Performance


Deliver high-quality mobile experiences with QSS’s comprehensive app testing solutions. Our seasoned testers ensure your native, hybrid, and PWA apps perform seamlessly across real devices, multiple platforms, and OS versions. Using both manual and automated techniques, we validate functionality, performance, security, and usability—guaranteeing apps that meet user expectations and business goals without compromise.


Functional Testing

We rigorously validate every feature of your mobile app, ensuring each function performs precisely as intended across various devices, screen sizes, and user scenarios. Our testers check edge cases, error handling, and real-world user interactions to deliver reliable functionality testing for native and web apps alike. 

Performance Testing

We assess your app’s responsiveness and stability under multiple conditions like fluctuating networks, concurrent users, and heavy data usage. By simulating real-time usage on mobile devices, we identify and fix performance bottlenecks to ensure optimal load handling and a smooth experience. 

Security Testing 

Your users' data security is our priority. We perform comprehensive mobile application testing to detect vulnerabilities, prevent unauthorized access, and ensure encryption. Our security testing services protect sensitive user data and help you comply with global data protection standards. 

iOS App Testing 

We test your iOS applications across different Apple devices and OS versions, ensuring that they meet Apple’s strict quality, usability, and performance testing standards. From push notifications to in-app purchases, we ensure your app functions smoothly on the latest iPhones and iPads. 

Regression Testing 

Whenever updates or changes are made, we carry out in-depth regression testing to ensure no existing features are broken. Using test automation and real devices, our testers confirm consistent behavior across previous and new builds, safeguarding your app’s functionality. 

Compatibility Testing  ​

With the vast array of mobile devices, browsers, and operating systems, we verify that your app works seamlessly across all environments. Our compatibility testing ensures your app looks and behaves consistently across Android and iOS platforms, screen resolutions, and device fragmentation scenarios. 

Accessibility Testing ​

We evaluate your mobile applications for accessibility by testing them against WCAG 2.1 and ADA compliance standards. Our team ensures users with disabilities can navigate, read, and interact with your app effectively—enhancing usability for all user groups. 

Android App Testing 

We test your Android apps across a wide range of real mobile devices, manufacturers, and OS levels to account for device fragmentation. This includes testing user flows, UI rendering, permission handling, and performance across various devices and screen dimensions. 

With QSS, no more scanning through 100s of profiles. ​

When you hire Mobile App Testers from us, you get access to a team of seasoned professionals who excel in delivering high-quality testing solutions. Selecting the right mobile testers for your project ensures your app performs flawlessly across all platforms and devices. Here’s why our testers stand out:  


Mobile Testing Experts
30+ Mobile Testing Experts

 A diverse pool of certified mobile testing specialists ready to onboard. 

Hire in 48 Hours​
Hire in 48 Hours​

Get top-tier mobile app testers deployed in just 2 days.

5+ Years of Developer’s Expertise
5+ Years of  Developer’s Expertise

Seasoned developers with deep industry and technical know-how.

Works in Your Local Time Zone
Works in Your Local Time Zone  

Seamless collaboration with developers aligned to your time.

40% Cost Savings
40%  Cost Savings 

Save big on development without compromising quality.

Replacement
Easy Cancellation & Replacement 

No-risk hiring with flexible engagement options.

Post-hiring Support
Post-hiring Support

Ongoing assistance to ensure smooth testing and project execution.

Competitive Pricing
Competitive Pricing

High-quality mobile testing talent at cost-effective rates.

Why Is Mobile App Testing Critical for Your App’s Success?

In today’s highly fragmented device ecosystem, mobile app testing isn't optional—it’s essential. With users accessing mobile applications on hundreds of mobile devices, screen sizes, and operating system versions, it becomes crucial to test mobile apps across different environments to ensure flawless performance, usability, and security. 



Optimized User Experience 

Thorough usability testing helps identify design flaws, broken navigation, or lagging buttons early on. Our testers ensure the user interface is seamless, intuitive, and optimized for different mobile devices, web browsers, and web apps, offering users a smooth interaction every time.   


Security & Privacy Assurance 

Mobile application testing is critical for apps handling sensitive data. Testers assess vulnerabilities, execute test scripts, and implement security testing protocols that secure user data—building user trust and meeting compliance standards.   


 Cross-Device & OS Compatibility 

 Whether it’s native apps, hybrid apps, or progressive web apps, our mobile app testers validate app performance across multiple devices, operating systems, and screen sizes. We utilize real device testing and the mobile device cloud to ensure consistent behavior and seamless user interactions. 




Reduce Costs with Early Bug Detection   

Finding bugs post-launch can be expensive. Our testers use a combination of manual testing, automated mobile app testing, and test automation frameworks to identify issues early, saving time and reducing costly post-deployment fixes. 




Proactive Bug Detection & Resolution 

Through structured test cases, test scenarios, and continuous functional testing, testers catch hidden bugs that might escape in traditional cycles. Real-time testing on real devices ensures your app's functionality remains robust in real-world conditions. 




Faster Time-to-Market  

Our efficient testing process accelerates product readiness with automated testing pipelines, beta testing, and continuous testing practices. This allows for faster execution of test cases, smarter testing efforts, and quicker product releases. 



Competitive Edge in the Market 

A well-tested mobile app not only works flawlessly but delights users. With comprehensive test coverage, scalable QA strategies, and support for different devices and web technologies, our mobile app testers give your app the quality it needs to thrive in a competitive landscape.   


Key Features of Our Mobile App Testing Services

  Our comprehensive mobile app testing framework empowers you to test faster, smarter, and more effectively across native and hybrid apps. Whether you're testing mobile applications on real-world devices or automating at scale, our QA experts ensure your mobile app performs flawlessly across every touchpoint. 


Enterprise-Grade Real Device Cloud 

Gain instant access to a vast cloud of real devices for extensive mobile testing. From flagship phones to older models, ensure your native apps, hybrid apps, and web apps function seamlessly under real conditions with full compatibility coverage. 

Intelligent Test Failure Analysis  ​

Speed up debugging with rich analytics including root cause reports, heatmaps, CI dashboards, and detailed logs. Our advanced testing process reduces the time needed to identify and fix flaws in your app's functionality.  

Real-World User Simulation 

Simulate authentic user conditions such as network variability, GPS location, background apps, and low storage to mimic real-world environments. Our manual testing and automated testing strategies ensure every feature works as expected—even in edge cases.  

Synthetic Test Data Generation 

Create diverse and customizable datasets to run more robust app testing. Our testers use synthetic data to uncover hidden issues that arise in specific edge conditions—ensuring better test coverage across user scenarios.   

Accelerated Test Automation 

Supercharge your automated mobile app testing with high-velocity, parallel execution. Run large test suites simultaneously to accelerate delivery timelines while maintaining high quality across mobile applications.   

In-Cloud App Debugging 

When a test fails, connect to real device testing directly from your IDE. Step through your code, inspect behaviors, and fix issues instantly with real-time mobile application testing support. 

Mobile UX Performance Testing  ​

Our team measures performance under both load and normal conditions. By combining mobile UX testing and backend diagnostics, we ensure your app is not only functional but responsive and smooth across all usage levels. 

Backend Service Virtualization 

Keep your testing process uninterrupted—even when backend APIs aren’t available. Using BlazeMeter-powered service virtualization, continue executing test scenarios without being blocked by unavailable services.   


Types of Mobile App Testing We Offer 


Our mobile app testing services are tailored to ensure seamless performance, usability, and security of your mobile applications across real devices, emulators, and cloud environments. From manual testing to automated mobile app testing, we ensure your app runs flawlessly on different devices, platforms, and networks.   

Behind every smooth mobile app experience lies powerful backend logic. Our API testing verifies the accuracy, speed, and response of API calls—ensuring backend functionality supports the front-end without failure. 

  • Ensures business logic functions even without a user interface 
  • Validates data integrity and communication between services 
  • Detects integration issues across environments 

We assess the ease of navigation and intuitive interaction of your mobile applications. By identifying friction points in the user interface, we ensure your app delivers a smooth experience across various devices. 

  • Evaluates clickable areas, swipe behavior, and screen responsiveness 
  • Checks navigation intuitiveness for finger-based interaction 
  • Provides real-user feedback to improve UX 

With deep exploratory techniques, our QA engineers manually test apps for glitches in UI, logic, and interaction. This helps identify flaws that automation might miss—especially on real devices. 

  • Tests across different OS versions and screen sizes 
  • Detects layout breaks, crashes, and bugs 
  • Ensures visual and functional consistency 

Using advanced testing tools, we develop test scripts to perform fast, repeated tests for features, workflows, and performance—ideal for regression and scalability. 

  • Reduces human error with consistent test automation 
  • Offers speed, scalability, and 24/7 execution 
  • Enables rapid feedback for continuous integration 

Our mobile app testing approach includes deep security analysis to protect sensitive data and user trust. We identify vulnerabilities before attackers do. 

  • Validates secure transmission, authentication, and data access 
  • Detects unauthorized access risks and insecure storage 
  • Ensures compliance with data privacy standards


This core mobile application testing verifies every feature and screen works as intended. We ensure the app’s functionality aligns with business requirements. 

  • Covers login, sign-up, transactions, and core user actions 
  • Includes end-to-end flow testing on real device testing platforms 
  • Ensures bug-free app releases 


With endless device and OS combinations, we test apps on a wide range of different devices to ensure performance across all user environments. 

  • Validates behavior on iOS, Android, tablets, and more 
  • Detects inconsistencies due to screen size or OS variations 
  • Ensures broad user accessibility 


We ensure that your app's user interface looks great and performs well across resolutions. Every pixel and interaction is validated against design specs. 

  • Checks layout responsiveness on all screens 
  • Verifies element positioning, branding, and design adherence 
  • Ensures accessibility and aesthetic consistency 


Our mobile testing services stress-test your app under load to ensure responsiveness, speed, and stability—even during peak usage. 

  • Detects memory leaks, CPU spikes, and app crashes 
  • Simulates traffic surges and multi-user conditions 
  • Optimizes loading times and overall app responsiveness 


We test the app’s installation process and its interaction with system resources, along with location-aware features through geolocation testing. 

  • Ensures error-free installation, upgrades, and uninstall 
  • Tests GPS-based features for accuracy and behavior 
  • Validates performance when location services are toggled 


Comprehensive Coverage Across All Mobile App Testing Areas   

We provide end-to-end mobile app testing services across a wide range of application types and platforms. Whether it's native mobile apps, complex web apps, or immersive mobile games, our QA experts rigorously execute test cases on real devices, cloud devices, and simulators to ensure flawless user experiences.   


Native Mobile Apps 

We test apps built specifically for Android or iOS platforms to validate their performance, responsiveness, and integration with device hardware features. From installation testing to crash behavior during incoming calls, we ensure your app performs seamlessly in all conditions. 

  • Checks memory usage, background activity, and native APIs 
  • Validates app behavior with hardware features (GPS, camera, sensors) 
  • Runs on actual devices to replicate real-world user environments 

Cross-Platform Mobile Apps 

We evaluate apps developed using frameworks like React Native or Flutter to ensure consistent performance and UI across platforms. Our test scripts are customized to detect issues specific to platform bridging and device compatibility. 

  • Tests for rendering issues and inconsistent user experience 
  • Validates shared code logic on Android and iOS 
  • Simulates interactions across OS versions 

Web Apps 

Our web app testing ensures responsive design, fast loading, and uninterrupted functionality on mobile browsers. We conduct in-depth browser compatibility and network condition testing. 

  • Tests UI and navigation across mobile browsers 
  • Simulates touch behavior, zoom, and orientation changes 
  • Ensures progressive performance in low bandwidth environments 

Hybrid Apps 

Combining web and native components? We conduct deep mobile application testing for hybrid apps to check interactions between web views and device-level APIs. 

  • Verifies transitions between native and web layers 
  • Tests local storage, API calls, and app loading under pressure 
  • Identifies issues in embedded browser environments  

Mobile Games 

We perform specialized app testing for mobile games to assess frame rate stability, input responsiveness, and user interface interactions under high-load scenarios. 

  • Measures rendering speed, latency, and GPU/CPU consumption 
  • Simulates gameplay interruptions like calls or notifications 
  • Validates gameplay logic and graphics across various devices

Mobile Web Apps 

For apps accessed via mobile browsers, we run structured test cases to ensure consistent layout, interaction, and performance. Our team validates mobile responsiveness and session handling. 

  • Cross-browser and cross-device UI consistency checks 
  • Testing on both cloud devices and real devices 
  • Covers cookies, cache, and data retention scenarios 

Our Mobile App Testing Tech Stack

Driving Quality with Advanced Testing Tools & Technologies We leverage an industry-leading mix of manual and automated mobile app testing tools, frameworks, and platforms to ensure your mobile applications perform flawlessly across devices, networks, and environments. Whether it's real device testing, installation testing, or test automation, our stack supports every phase of the testing process — ensuring speed, scalability, and precision.



Appium

Espresso

XCUITest  

 Selenium

 TestNG

 JUnit

 Cucumber

Robot Framework

 BrowserStack

Sauce Labs 


Kobiton   

LambdaTest


Perfecto Mobile   

Firebase Test Lab


AWS Device Farm  

Azure App Center  

BitBar

HeadSpin  

Jenkins

GitHub Actions  

CircleCI

Bamboo  

Maven  

Gradle  

Allure Reports  

TestRail  

ReportPortal

JIRA  

QTest 

Hire Mobile App Testing ​Developers in Just 4 Easy Steps


Step 01

Tell us what you need

We’ll get in touch with you to understand your requirements and preferences. 

Step 02

Meet the top talent

Get 3 to 5 suitable, pre-vetted developers in 48 - 72 hours. 

Step 03

Interview with Ease

Choose the candidate that aligns with your needs and we’ll arrange an interview.

Step 04

Hire with Confidence

Once you decide, we’ll take care of the onboarding process for you.

Industries We Serve with Expert Mobile App Testing

  Our mobile app testing services are tailored to meet the unique needs of businesses across a wide range of industries. From securing sensitive data to ensuring seamless user experiences across real devices and platforms, our testing experts ensure your mobile apps perform flawlessly, no matter the use case. 


Healthcare

Healthcare

Ensure HIPAA-compliant mobile apps with rigorous security, functionality, and real device testing.

Finance

Finance & Banking

Secure sensitive transactions with high-performance, automated mobile app testing across all user touchpoints.

Education

Education & eLearning ​

Ensure mobile learning apps function smoothly with detailed test scripts and compatibility testing.

​Logistics

​ Logistics & Transportation

Verify app functionality like tracking, route optimization, and geolocation under different usage conditions.

Media

Media & Entertainment

 Test streaming and engagement features for flawless performance on both native and hybrid apps. 

eCommerce

E-commerce

Deliver glitch-free shopping experiences through thorough app testing on various devices and platforms.

Travel

Travel & Hospitality

Optimize booking, location-based services, and UI performance through both manual and automated testing.

Your industry not listed above

Can't Find Your Industry Listed?

Ensure flawless performance and user satisfaction by hiring certified mobile app testers from QSS Technosoft.

         

Hire Smarter, Not Harder – What Makes us Unique?


  Strong Technical Proficiency  

  Quality Assurance Guaranteed 

  Agile Development Methodology 

  Experienced project managers 

  100% Own Team, No Freelancers 

  24x7 Dedicated Support 

Proven Success Stories in Mobile App Testing

Explore how our expert mobile app testers helped businesses across industries launch high-performing, bug-free mobile applications. From healthcare to law enforcement and travel, our mobile app testing services ensured real-time performance, robust security, and exceptional user experience across real devices and cloud platforms.   

.

Our Engagement Models Include

eElevate your software development journey with our customized engagement models, tailored to meet your unique needs and foster a collaborative partnership for success. 

Agile Contracting

Agile Contracting

  • Instills Flexibility
  • Identify Priorities & Focus on Outcomes
  • Breaks Projects into Shorter, Easier to Handle Pieces
  • Emphasize upon Frequent Collaboration
  • Focuses on Mutual Benefits
  • Facilitate Transparency                                                              
Time & Material

Time & Material

  • Incremental Scope / Maintenance
  • Greater Flexibility
  • Best Resource Available
  • Quick Start
  • Agile Orientation
  • Flexible Budget
Fixed Price​

Fixed Price

  • Fixed Scope
  • Minimal Risk Factor
  • Fits All Business
  • WorkFlow Management
  • End-to-end Execution
  • Fixed Budget

In Depth Answers to Your Common Questions


Hiring dedicated mobile app testers ensures your app is thoroughly validated for performance, compatibility, and user experience across different devices, platforms, and real-world conditions. Their role is critical in eliminating bugs before release, which enhances the overall quality and reliability of your app. 

Key benefits include: 

  • Comprehensive device coverage: 

Testers use real devices, emulators, and cloud-based device labs to ensure your mobile application works smoothly across different screen sizes, resolutions, and OS versions. 

  • Functional and usability testing: 

They validate all app features against business requirements and ensure an intuitive and accessible user interface for both native and hybrid apps. 

  • Faster go-to-market with automated testing: 

By leveraging automated mobile app testing tools like Appium or Selenium, testers accelerate test cycles and enable continuous integration workflows. 

  • Risk mitigation and user satisfaction: 

With proactive bug detection, performance testing under load, and handling edge cases (like incoming calls or weak network), testers reduce failure risks post-launch. 

  • Support for hybrid and cross-platform apps: 

Testers specialize in mobile application testing across platforms like Flutter, React Native, and Ionic, ensuring consistent performance across Android and iOS. 

QSS Technosoft brings in certified mobile app testers equipped with the latest tools, real device access, and domain expertise to deliver secure, high-performing apps users trust.


At QSS Technosoft, the mobile app testing process is designed for scalability, quality, and speed. We combine manual and automated testing methodologies to ensure the app's functionality, performance, and security are validated across every touchpoint. 

Our structured process includes: 

  • Requirement Analysis & Test Strategy: 

We start with a deep understanding of the mobile app’s business logic, platforms (native or hybrid), user base, and expected use cases to create a tailored test strategy. 

  • Test Planning & Tool Selection: 

Based on the app type and client goals, we choose appropriate tools (e.g., Appium for automation, BrowserStack for real device testing, Postman for API testing) and prepare detailed test cases and scripts. 

  • Manual and Automated Testing: 

We execute both manual and automated tests covering functionality, UI/UX, security, installation, and regression testing on cloud devices and real devices for higher reliability. 

  • Real Device & Network Testing: 

Our testers simulate real-world scenarios like varying signal strengths, background apps, or geographic locations to test the app’s responsiveness under diverse conditions. 

  • Defect Reporting & Continuous Feedback: 

Each bug is reported with screenshots, logs, and root cause analysis. We collaborate closely with developers to ensure rapid resolution before the next release. 

With QSS Technosoft’s proven testing frameworks, skilled QA engineers, and access to the latest testing infrastructure, clients benefit from an efficient, cost-effective, and results-driven mobile app testing process. 


Frequently Asked Questions

Mobile app testing is the process of evaluating a mobile application’s functionality, usability, performance, and compatibility across various devices, platforms, and conditions. Mobile app testers play a crucial role in identifying bugs, ensuring app stability, verifying user interfaces, and confirming that apps deliver a consistent and smooth experience on real devices under real-world scenarios.

Our mobile app testers specialize in testing all app types, including native apps, hybrid apps, mobile web apps, cross-platform apps, and progressive web applications (PWAs), across Android and iOS ecosystems. 

We offer a mix of automated mobile app testing and manual testing, covering various aspects like functional testing, UI/UX testing, installation testing, security testing, performance testing, and geolocation testing. 

Our mobile application testing process includes compatibility testing on various devices, screen sizes, operating systems, and hardware configurations using a cloud-based real device lab. 

Absolutely. We conduct thorough testing of mobile apps before launch, helping you fix UI bugs, functionality issues, and real-world performance problems to ensure a smooth user experience at release. 

We simulate different geolocation settings and network conditions (Wi-Fi, 3G, 4G, LTE) during app testing to ensure consistent performance across user environments. 

While automated testing ensures speed and coverage, professional testers offer critical insights through manual testing, usability assessments, and real-device testing. They understand user behavior, spot edge-case issues, and ensure your app functions seamlessly across native and hybrid apps.

We conduct mobile app testing on both real devices and emulators. However, real device testing is prioritized for accurate results related to performance, battery usage, UI behavior, and geolocation features. 

Yes. Our testers use leading tools like Appium, Selenium, TestNG, and Espresso to write scalable test scripts and execute high-speed, automated mobile app testing for faster delivery and improved test coverage. 

Our experts prepare detailed test cases based on app requirements and user journeys. These are executed using a blend of manual steps and automated scripts, with comprehensive reporting on passed, failed, and skipped tests. 

Yes, we conduct robust API testing as part of our mobile app testing services to ensure third-party integrations, data flows, and endpoints function reliably without compromising performance. 

QSS Technosoft offers end-to-end mobile app testing services tailored to your app type, domain, and user base. With certified testers, access to real devices, and deep expertise in both manual and automated testing, we ensure your app performs flawlessly in every scenario. 

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Headquartered in India, with a global presence, we extend our services to clients worldwide, with our offices in USA (Minnesota) and Dubai. We ensure that you access top-tier technical talent tailored to your project needs. 

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USA

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UAE

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  • Illuminate our process for pairing you with qualified, thoroughly vetted developers from QSS Technosoft Inc.
  • Discuss the subsequent steps, frequently resulting in finding the perfect match within less than one day.
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