Your guarantee that your software will work flawlessly across all browsers, operating systems, and devices. Leave the cross-browser, cross-device, cross-platform, and configuration checks for your apps for professionals.
Get a consultationOur specialists become full-fledged members of the clients’ teams soon after they join the projects. Each QA expert is as dedicated to your goals as you are. Our average retention on the QA software testing project is 3.5 years. Many clients have been working with our dedicated QA experts far more than that, and many choose to return with their new projects.
An accurate compatibility test confirms that your software works correctly across platforms, browsers, and hardware configurations. It goes beyond checking basic functionality. Our QA specialists verify how your product behaves with different screen resolutions, processing powers, memory capacities, and other variables, up to the smallest nuances. We test against various software versions, from the latest releases to older ones that are still supported and used by a share of your user base. We check how your software performs on different versions of Windows, macOS, Linux, Android, and iOS; we test on Chrome, Firefox, Safari, Edge, and other browsers.
Testing the compatibility of software across different environments requires a comprehensive approach. As a rule, it is a combination of assessments and services that enable sufficient coverage to catch every existing and potential issue. Our team prepares a custom compatibility testing strategy for every project, suggesting the combination of services that will work most effectively in each specific case. The core compatibility testing services we offer are the following.
Different software products need different types of compatibility testing – or, more specifically, a specific mix of compatibility testing types. For example, a mobile app will require thorough testing on real devices, while a web application requires primarily extensive browser checks. We help you identify which compatibility testing types matter most for your product and create a testing strategy that covers all crucial scenarios.
Testing on different devices exposes issues related to screen sizes, resolutions, and hardware capabilities. We check how your software handles each device’s built-in features and look for problematic functionality and performance areas.
We look into how your applications and sites work in different web browsers and their versions. The aim is to verify forms, responsive layouts, third-party integrations, etc., to ensure consistency across all target browsers.
QA engineers test the software’s behavior on different operating systems and their versions. It covers installation processes, system integration, file handling, resource usage, as well as platform-specific features and requirements.
This testing type focuses on compatibility between different versions of your software and its dependencies. We inspect data migration paths, feature availability, and various integrations to prevent issues related to app or system upgrades.
We study how your product behaves in various combinations of software and hardware options. It is tested with different hardware and software configurations to ensure it is capable of running on platforms with varying settings.
We check data synchronization, offline functionality, recovery from connection losses, etc. Testing under different network conditions reveals how your software handles varying connection speeds, latency, and stability.
Quality assurance and its specific activities affect numerous aspects of your business performance. Proper software compatibility testing shapes how users experience your product. It defines the efficiency of your software development life cycle in terms of timelines and expenses. It determines the scope of work and challenges for scaling and maintenance, reducing both. With compatibility testing, you gain a list of benefits.
Quality Assurance Setup and Testing for Mobile Gaming & NFT Platform
The client was looking for a QA engineer with experience in mobile testing and knowledge of the gaming industry. They had a new and custom platform and needed to set up the QA process from scratch: define the coverage, prepare documentation, and integrate testing into the workflow.
QA Process Setup and Testing for the Meeting Platform
The product was live, but the QA process was chaotic – without a clear flow or software testing specialists involved. The client sought an external audit and process setup so that other team members wouldn’t have to test the platform and severe defects wouldn’t slip to production.
Quick QA Team Scaling for Supply Chain Software Company
The company needed to expand its QA department rapidly during hypergrowth. They had high standards regarding the candidate requirements and an extensive list of responsibilities for the new team members. The main challenge was getting the right expertise while scaling quickly and smoothly.
Full-time QA Support for the Marketing Platform Provider
The QA team joined a few months into the development. The platform was new and developed from scratch. Thus, it required thorough analysis at all test levels and vast coverage. The team worked under frequently changing requirements and needed to adjust the testing strategy accordingly.
Testing Process Setup for the Cancer Research Software
The client develops innovative desktop software products in the healthcare domain. The QA engineers tested two of their projects – software that operates the laboratory devices. The company needed vast test coverage and consistent documentation standardized by their rules.
Testing of the Cloud-Based E-Commerce Solution
The company created a shipping storefront solution – a custom product that hasn’t been tested yet. The scope of tasks for QA engineers, in addition to running tests, included close analysis and the creation of a detailed functional checklist that would suit the first and subsequent test iteration.
QA Madness helps tech companies strengthen their in-house teams by staffing dedicated manual and automated testing experts.
Want your software to work everywhere? Our compatibility testing process makes it happen. Our team knows which devices and browsers matter most, how to spot tricky compatibility issues, and what real users expect from cross-platform experiences. It’s all considered during the compatibility software testing process. If we break down this work into manageable pieces, it entails five core stages.
Studying your software and setting the background for work.
QA engineers prepare the foundation for software compatibility tests. We analyze your product’s technical requirements, designs, technical challenges, business goals, and overall expectations to identify which platforms, browsers, and devices matter most. The team maps user behavior patterns and device preferences in your target markets.
We also determine the combinations of operating systems, hardware specifications, and software versions to use during the compatibility tests. The team assesses and communicates compatibility and other risks. This phase is concluded with clear testing priorities, workflows, benchmarks, and roles summarized in the test strategy document.
Developing the strategy and preparing the testing setup.
The team creates comprehensive test scenarios that cover all critical pathways across different platforms and conditions. QA engineers develop detailed checklists or test cases focusing on environment-specific behaviors and potential compatibility issues. This documentation is used to keep the testing process structured and account for all the essential details.
The team also sets up testing environments, usually cooperating with developers. This part of the preparation includes creating environment configurations and documents, generating test data, integrating the testing tools, and getting the technical setup completely ready for test execution.
Executing the tests to estimate the compatibility of your software.
The team systematically tests compatibility of your software – across all selected environment combinations, by following all the steps, scenarios, and interactions described in the documentation. The specialists document interface inconsistencies across platforms and environmental differences in behavior.
Compatibility testing procedures can cover both basic functionality and complex features in each environment. It depends on your timelines and goals. Each issue is documented with environment-specific details. These include configuration information, steps to reproduce, and platform-specific variables that might affect the problem.
Retesting the fixes and core functionality after initial enhancements.
After initial application compatibility tests, the product team works on stabilizing your software across all environments. After developers fix the defects, QA engineers verify these fixes in each affected environment. They also check for any platform-specific side effects running targeted regression tests. It’s critical to ensure that fixes don’t create new software compatibility issues.
This phase also includes backward compatibility with older versions of operating systems and browsers to ensure smooth transitions for users. The team can also test cross-environment stability testing, checking how your software handles switching between platforms or synchronizing data across devices.
Overviewing the deployment and behavior in the live environment.
You have a detailed compatibility status across all tested environments. We create comprehensive reports showing test coverage for each platform-browser-device combination. The team provides clear and detailed feedback highlighting the issues, improvements, and risk areas to keep an eye on in the future.
You also receive specific recommendations for improving compatibility, prioritized by user impact and technical complexity. We include detailed environment configuration guides for deployment and specific notes about platform limitations or special considerations. The team can also help create support documentation covering platform-specific features.
At least some software QA is always better than no software QA. Yet, if you want to experience all the benefits of compatibility testing, you’ll need precise planning and proper expertise. That’s why it’s critical to find a qualified company to put in charge of the compatibility app testing service. There’s a list of reasons why QA Madness suits this role perfectly.
Our company has over a decade of experience in testing the most diverse software products for compatibility. We know how to work with various types of teams and companies, products, tech stacks, markets, and challenges.
We have a large bank of real devices to provide sufficient coverage for your software. Whether it’s mobile, web, desktop, or all platforms, the QA engineers will select the optimal mix of devices, browsers, etc., for the tests.
Our QA specialists pass a number of checks aimed at verifying their hard and soft skills before they join the team. Most are Medium and Senior-level experts with experience in several domains and types of products.
You can expect security on all levels – from careful handling of sensitive data to security testing for software products and adhering to ISO standards as a company. All cooperation terms are kept safe in detailed agreements.
You are the one to choose the mix of services for your product, cooperation model, a single specialist or team configuration, an ISTQB-certified engineer, or a person with a specific skill set – all preferences are accounted for.
You get motivated and proactive QA specialists dedicated to your business goals as much as your in-house team. We guarantee clear and timely communication and recommendations that go beyond mere bug descriptions.
“QA Madness has established a smooth workflow through effective communication. The team is trustworthy, efficient, and hardworking.”
CTO at BRKFST
Jon Lopinot
“Thanks to QA Madness’s efforts, we are able to resolve technical issues and keep our platforms optimized and bug-free.”
CEO at Dexter Agency
Marc Uitterhoeve
“QA Madness was seriously professional. They listened to our needs and gave us the kind of work we expected. As a result of their efforts, we can locate a bug in the test environment, which prevents issues from entering production. I would recommend them, 100%.”
COO at Bitbull Srl
Alessandro Ronchi
They’ve always been very professional, prompt, and available when we needed them. We’ve never had any issues or needed to go back and teach them how to meet our standards.
VP at Isadora Agency
Alex Mathias
QA Madness has significantly reduced the number of bugs and issues in our final products. They’ve also improved our internal processes.
Co-founder of Wezz E-Commerce
Jordi Dekker
QA Madness generated extensive feedback that developers normally can’t see. We could never have gained this insight without their thorough functionality testing services. I appreciated how quickly they conducted testing despite the high volume of work it entails.
CEO at SupportDesk
Wouter Den Otter
They are an extremely valuable part of our extended team, and I couldn’t ask for more from a project management standpoint. QA Madness team is extremely professional when it comes to sticking to estimates, scopes, and quotes.
Co-founder of Above The Fray Design, Inc.
Noah Oken-Berg
If you have questions about compatibility testing, our experts will help you figure everything out. Here, you can find answers to common queries and general explanations of the process nuances. For more specific inquiries, contact the team to discuss your request and challenges in person.
Compatibility testing examines how software performs across different operating systems, browsers, devices, and hardware setups. This testing type goes beyond basic functionality checks, verifying that your software maintains consistent behavior and appearance regardless of the user’s environment.
The scope includes testing on different operating system versions, from the latest releases to older versions still in use. For web applications, we check various browser versions and their unique rendering engines. The same goes for website compatibility testing. A mobile compatibility test covers different screen sizes, hardware capabilities, and OS versions. Testing also examines how your software interacts with other applications and system resources.
There are several categories of specialized browser compatibility testing software.
Real browser testing tools let QA teams run tests on actual browser instances, providing the most accurate results. These tools often include screenshot comparison features and responsive design testing capabilities.
Cloud-based testing platforms offer access to multiple browser versions simultaneously. They typically include debugging tools, network condition simulators, and detailed reporting features. Many provide automated testing capabilities for repetitive checks across browser versions.
Local development tools, including browser developer consoles and extensions, help investigate specific compatibility issues. They offer, among other things, network request monitoring and layout inspection tools. Some tools focus on specific aspects like CSS compatibility or JavaScript behavior across browsers.
Enterprise-level testing suites combine multiple testing capabilities. They often include virtual machine management, automated test execution, and comprehensive reporting features. These tools usually integrate with development workflows and continuous integration systems.
Cross-platform compatibility testing evaluates software functionality across different operating systems and platforms. This testing type ensures your application delivers consistent results whether users run it on Windows, macOS, Linux, Android, iOS, or other platforms.
The platform compatibility testing involves checking installation procedures, critical functionality or end-to-end scenarios, and runtime performance on each platform. QA engineers verify that all features work correctly while adhering to platform-specific design guidelines and technical requirements.
Cross-platform testing also examines data synchronization between platforms, resource usage patterns, and integration with platform-specific services. The goal is to identify and resolve any platform-specific issues before they affect users.
Cross-browser compatibility testing has a narrower focus compared to compatibility testing in general. It verifies web application functionality across different web browsers and their versions, covering PCs and mobile devices. This testing type examines how different browser engines interpret and render your web content, ensuring consistent user experiences regardless of browser choice.
Web browser compatibility testing covers HTML rendering, CSS styling, JavaScript execution, and DOM manipulation across browsers. QA engineers check responsive design implementation, form handling, AJAX interactions, and multimedia content playback. They verify that all interactive elements work correctly and maintain consistent appearance and behavior.
Browser compatibility tests include examining browser-specific features, checking fallback mechanisms for unsupported features, and verifying performance optimization techniques. Engineers also check different browser settings, extensions, and security configurations that might affect your web application.
Browser compatibility testing service follows a structured approach. It starts with market research to identify target browsers and versions. Teams analyze user analytics data to prioritize testing efforts based on actual usage patterns.
Next, QA engineers create detailed test cases covering functionality, layout, and performance aspects. They can use both manual testing and automated tools to verify compatibility. Manual testing focuses on user experience aspects, while automated tools handle repetitive checks across browser versions.
The browser compatibility checking process includes checking responsive design breakpoints, CSS rendering, JavaScript functionality, form validation, and server interactions. Engineers verify that all features work correctly under different browser settings and network conditions. They document browser-specific issues with detailed reproduction steps and environment information.
Testing browser compatibility also covers progressive enhancement and graceful degradation strategies. Engineers verify that core functionality remains accessible even when certain browser features are unavailable. They check performance optimization techniques like caching and resource loading across different browsers.
Backward compatibility testing ensures that new software versions work correctly with older operating systems, browsers, devices, or data formats. It helps maintain user satisfaction during software updates by preventing functionality loss or data corruption.
The process examines how new versions interact with legacy systems and third-party integrations. Testing also covers rollback procedures in case users need to return to previous versions. Engineers document version-specific limitations and provide migration guidelines for different user scenarios. This helps users make informed decisions about when and how to upgrade their software.
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