Web and Mobile Testing

Testing your web and mobile applications’ user flows doesn’t mean that you need to cut corners when timelines are tight. By blending manual testing expertise and AI-assisted shift-left automation, we prioritise risk-based coverage with efficient self-healing test automation, to align with your preferred delivery model.

Using industry-grade tools, accelerators and patented automation assets, our proven ability to integrate both functional and non-functional testing, means that you get consistent digital experiences across all your devices, browsers and environments.

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Trusted by leading organisations

Helping organisations improve quality, resilience and delivery confidence across complex digital estates.

Turn every user interaction into a success with end-to-end, expert web and mobile testing

We test web and mobile applications throughout the delivery lifecycle, covering user journeys, integrations, UI behaviour, cross-platform compatibility, and acceptance testing. By integrating automation into Agile, DevOps and CI/CD pipelines, we help QA teams spend less time on repetitive testing and more time on business-critical priorities. With flexible engagement models, we offer rapid support for a short initiative or work closely with you across a set of releases.

Our unique take, otherwise known as Total Quality, integrates performance, security, accessibility and compliance testing, ensuring that you deliver cross-channel digital experiences that exceed expectations.

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BENEFITS

Here’s how we drive web and mobile development success

Here at Resillion, we understand how well-working customer-facing apps impact business outcomes positively. Here are some of them:

Mobile App Testing Services – Cross-Platform & Automated Testing

Reduced production risk

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Accelerated time to market

Confident system integration

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Lower cost of quality

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Improved customer experience

Stronger brand trust

Case Study

Resillion helped a major bank transform its DevOps approach, embedding automated web and mobile testing into CI/CD pipelines. This accelerated feature releases, improved online and mobile banking reliability, and freed QA teams to focus on complex scenarios – delivering faster, higher‑quality digital experiences for customers.

Read the full case study

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WHY US?

Result

Make strategic, data-driven and timely decisions for each sprint in progress or release that is due

WHY NOW

Still hesitating? See what’s at stake

If you’re not convinced by Resillion’s expertise in web and mobile testing, consider what you’ll be up against without it:

Bloated project costs

Delayed development and shipping

Expensive bugs

Partial test coverage

UI, integration and incompatibility issues

Security breaches

Poor media content quality

Failure to meet acceptance testing requirements

Dissatisfied users

FAQs

Didn’t find the answer you were looking for? Our team is happy to help just reach out and we’ll get back to you soon.

What makes mobile testing more complex than web testing?

Here are a few reasons:
• device fragmentation (OEM customisations, screen sizes, chipsets)
• OS variations and upgrade cycles
• hardware integration
• network variations
• background/foreground transitions

What types of functional tests are essential for web and mobile apps?

Most critical tests include:
• core user journeys (login, navigation, checkout)
• data validation and error handling
• role-based access scenarios
• API/integration validations
• mobile-specific behaviours (gestures, permissions, offline mode)

Why not automate all tests to save time?

Full automation won't work because:
• some tests change too frequently
• some require human judgment (UX, visual alignment)
• low-value automation increases maintenance cost
• unnecessary automation slows down pipelines

What are the biggest challenges in web and mobile testing?

Major challenges include:
• browser and device fragmentation
• test environment instability
• high maintenance of poorly design automation suites
• network variability on mobile
• OS/device diversity across Android and iOS

Isn't testing functionality enough? Why should we also consider performance, security and accessibility?

Your application can function correctly and still disappoint users. Slow performance, accessibility barriers, security vulnerabilities and inconsistent experiences across devices can all impact customer satisfaction and brand reputation. By combining functional and non-functional testing, you gain a more complete view of quality and can deliver reliable, secure and accessible digital experiences across every channel.

We already have developers and in-house testers. Why would we need external web and mobile testing support?

Your internal teams are often balancing new feature development, defect fixes and release deadlines. By bringing in independent testing expertise, you can extend coverage across devices, browsers, operating systems, integrations and critical user journeys without stretching your existing resources. This allows your developers and testers to focus on delivery while maintaining confidence in quality.

Won't comprehensive testing slow down our release schedules?

No. When testing is embedded into your Agile and DevOps processes, it actually helps you release faster. By validating functionality early and using automation for repeatable testing activities, you can identify defects before they become costly release blockers. This reduces rework, minimises last-minute surprises and allows you to release with greater confidence.

Our application changes constantly. How can testing keep pace without becoming a bottleneck?

Modern testing approaches are designed for continuous change. By combining automated regression testing with targeted manual validation, you can ensure critical user journeys continue to work as new features are introduced. AI-assisted and self-healing automation also helps reduce maintenance effort, allowing your testing activities to scale alongside your release cadence.

We only need testing for a specific project. Do we have to commit to a long-term engagement?

Not at all. Whether you need support for a product launch, additional testing capacity during a busy release cycle or ongoing assurance across multiple releases, you can choose an engagement model that fits your requirements. This gives you access to specialist testing expertise without committing to services you don't need.

ON-DEMAND WEBINAR

Supercharging AI assurance with Test Data Automation

Is your test data ready for scalable AI assurance under NIS2?

Watch the recording

Get in touch

Providing solutions in a unified, structured approach across all critical domains to enable end-to-end quality – Because we’re the only ones who can.

Web and Mobile Testing

Trusted by leading organisations