Reliable Mobile App Testing Services for Seamless User Experience
We specialize in end-to-end mobile application testing services that guarantee robust performance, security, and cross-device compatibility. Whether you're launching a consumer-facing app or an enterprise-grade solution, our expert QA team uses a blend of manual and automated testing approaches to detect bugs early, reduce crashes, and ensure a smooth experience across iOS and Android platforms.
8+
Years Expertise
350+
Trusted Clients
40+
Certified Tester
100+
Testing Projects
\ Why We \
\ Our Services \
Native apps are built for speed, performance, and platform-specific features. We rigorously test native iOS and Android applications to ensure they deliver smooth interactions, fast load times, seamless offline access, and full integration with device-specific functionalities like GPS, biometrics, and notifications.
Cross-platform apps built with frameworks like Flutter or React Native must look and feel native while running flawlessly on both iOS and Android. Our QA team ensures consistency, performance, and responsiveness across platforms, uncovering hidden bugs that could otherwise slip through due to codebase sharing.
Mobile web apps should offer a responsive, intuitive experience directly through browsers, no download required. We test web apps across popular mobile browsers to ensure fast load times, proper layout adaptation, and touch-friendly navigation regardless of OS, browser engine, or device size.
\ Our Portfolio \
\ Our Services \
We validate your app's design, navigation flow, and ease of use through real-user testing scenarios. Our QA team ensures that every screen, gesture, and interaction is intuitive, responsive, and aligned with your users' expectations leading to higher engagement and retention.
Our functional testing covers end-to-end user journeys, backend API validation, third-party integrations, and edge-case behaviors. We ensure that all app components, from login and notifications to complex in app transactions, perform flawlessly across different use cases.
We test your mobile app under various loads and network conditions to detect performance bottlenecks. Our engineers simulate real-world spikes in user traffic, slow 3G/4G connections, and background processes to ensure your app remains stable, fast, and responsive at scale.
We assess your app across a diverse set of devices, OS versions, screen resolutions, and OEM customizations. Whether it’s a new iOS update or a budget Android device, our testing guarantees consistent look, feel, and functionality across the board.
Our security experts simulate real-world attacks to uncover vulnerabilities in your mobile app both client and server-side. We identify risks such as insecure data storage, weak authentication, or broken session management and provide mitigation strategies to safeguard your app and user data.
We ensure your app is accessible to all users, including those with visual, auditory, or mobility impairments. Testing against WCAG 2.1, ADA, and platform-specific accessibility guidelines, we help create inclusive digital experiences that work seamlessly with assistive technologies.
\ How We Work \
At the foundation of any successful testing strategy is a deep understanding of your app. We begin by thoroughly analyzing your mobile application's objectives, architecture, and critical user journeys. This includes identifying different user roles, usage contexts (online/offline, device environments), third-party integrations, and potential high-risk areas such as payment modules, data sync, or GPS functionalities. This insight allows us to build a QA roadmap tailored to your app’s unique needs and challenges.
With clarity on your app’s structure and goals, we move into planning. Our team selects the most appropriate test types (functional, usability, performance, security, etc.), defines detailed test cases, and pinpoints key devices and OS versions for coverage. Whether it’s native iOS, Android, or cross-platform apps, we design scalable test plans and choose the most effective tools, such as Appium, BrowserStack, or Firebase Test Lab, to ensure optimal efficiency and real-device accuracy.
We execute both manual and automated tests on a curated mix of real mobile devices and high-fidelity emulators. During this phase, our QA engineers simulate real-world usage conditions, including network interruptions, background activities, and multitasking behaviors. Any detected bugs or inconsistencies are logged in detail, complete with screenshots, logs, and reproduction steps to ensure developers can resolve issues swiftly and with full context.
After execution, we compile a comprehensive test summary that includes pass/fail rates, test coverage metrics, and insights into app stability and responsiveness. Beyond bug tracking, we offer proactive recommendations to improve user experience, optimize performance, and reduce future risk. Our goal is to help you launch confidently with a mobile application that is polished, secure, and ready for scale.
\ Few Words \
"Celestial Infosoft helped us test our enterprise web platform under extremely tight timelines. Their QA team was methodical, responsive, and caught critical issues before release. The clarity in their reports made it easy for our developers to act fast. We’ve definitely seen a quality boost in production since partnering with them."
"We didn’t just need testers, we needed people who think like users and spot issues before they become problems. Celestial Infosoft delivered exactly that. The team was sharp, responsive, and really easy to work with."
“We launched our fitness tracking app with confidence thanks to Celestial’s QA team. They caught critical issues our developers had missed and made sure everything worked perfectly across Android and iOS.”
"What stood out was their attention to detail. Every bug came with clear steps, impact analysis, and suggestions. They didn’t just test, they helped us build confidence before launch."
"It’s rare to find a QA partner who understands both agile speed and enterprise discipline. Celestial Infosoft found that balance. Our sprints actually moved faster with them on board."
“Celestial Infosoft's mobile testing team was a key partner in helping us meet our app store launch deadlines. Very responsive, thorough, and skilled across devices.”
\ FAQs \
It ensures your app works properly across devices, avoids negative reviews, and reduces security or performance risks post-launch.
We use both real devices for accuracy and cloud-based simulators for scale and speed.
Yes, we support native, hybrid, and cross-platform apps using frameworks like Flutter, React Native, Ionic, and Xamarin.
Depending on app complexity, testing can take from a few days to a few weeks. We work flexibly to meet your launch timelines.
Absolutely. We develop and run automated test suites using tools like Appium, Espresso, and Detox.
We are curious to discuss your dream web project!
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