Ship updates without breaking what already works

Verify that new features, fixes, and updates don’t break existing functionality. With Testlio’s managed regression testing, you get the real-world coverage and global scale needed to quickly validate stability and protect customer experience after every code change.

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Regression coverage that spans markets and platforms

Test like your customers use your product, on the same devices, platforms, and environments they rely on every day. From staged rollouts and feature flags to regional launches and backend changes, our regression coverage adapts to how your product is actually shipped today.

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600k+
Devices
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800+
Payment methods
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150+
Countries
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100+
Languages
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Testers who know your product inside out

Effective regression testing requires testers who can identify subtle behavioral shifts across releases. Testlio's vetted and global community tests with that context in mind, replicating real user experiences in your key markets. Matched to your product, domain, and technology stack, they ramp fast, stay engaged across releases, and deliver the consistency regression suites demand at speed and scale.

End-to-end testing for complex products

Validate the broader product experience across devices, regions, platforms, and languages. Our testers validate accessibility, localization, functionality, usability, and more to ensure your product works everywhere your customers need it to.

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Intelligence that keeps regression suites sharp

LeoAI Engine™ powers Testlio's Platform to optimize tester selection, streamline test execution, and surface the failures that matter most. You see which tests were run, where they failed, and what changed since the last release. Built-in integrations with Jira and TestRail mean issues flow directly into your engineering tools without disrupting your existing workflows.

Regression testing that keeps pace with your releases

Shipping fast shouldn't mean shipping broken. Testlio's managed regression testing validates stability at the pace your roadmap demands, combining disciplined execution with the flexibility to adapt to every release.

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Fully managed execution

We build regression suites, staff test teams, and manage runs so your engineers stay focused on features, not validating old ones.

Embedded QA expertise

A dedicated client team helps prioritize what gets tested, refine suites based on risk, and adjust coverage to your product needs.
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Scalable coverage

We scale resources and coverage up or down to address any new complexities as your product evolves or new trends emerge.
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Timezone-aligned testing

With a global community, we provide fast feedback and full-cycle coverage, day or night, wherever your users are and across time zones.

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Enterprise-grade security

We are ISO/IEC 27001:2022 certified and apply rigorous data protection protocols to maintain compliance across every engagement.
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Proven industry leaders

PayPal, Microsoft, Uber, and the NBA rely on Testlio to protect critical functionality for millions of users and in high-stakes releases.

Resources

Blog
Regression Test Suiteregression testing suite best practices

Building a Regression Test Suite: Tips and Best Practices for Success

A regression test suite is a crucial component in maintaining software quality over time. It ensures that recent code changes and/or implementations do not negatively impact existing functionalities.

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How to Maintain App Quality at Scale

App quality covers various aspects—functionality, usability, performance, security, and customer satisfaction, to name a few. Does the app have all the necessary features to do its job well? Does it do what it says it will? Is it fast, responsive, and reliable? Does it deliver a positive user experience?

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Illustration of a web application interface with source code and test results, viewed through a magnifying glass, showing integrations with Jira Software, Azure DevOps, and Slack for tracking and collaboration.|||

Dealing With Fire, Part 1: QA Crises and the First Line of Defense

A QA crisis rarely knocks politely, it usually shows up in the middle of a normal day. One moment everything looks fine, and the next, dashboards turn red, customers hit roadblocks, or a service chain starts to unravel.

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Let's make stability a part of every release.

Frequently asked questions

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How is Testlio's regression testing different from other QA providers?

We combine the reach of a global crowdsourced community with a fully managed delivery model. Vetted testers with domain expertise execute your regression suites consistently across releases, while our client team manages scoping, execution, and reporting end-to-end. This ensures reliability, speed, and accountability.

What does your pricing model look like?

Pricing depends on testing type, complexity, and service level. There are no per-seat licenses. You pay for structured execution, vetted testers, platform access, and ongoing client services.

How quickly can we start regression testing with Testlio?

Timelines depend on the complexity of your product, suite maturity, and onboarding requirements. We involve our delivery team early to understand your architecture, define critical paths, and launch testing cycles as quickly as possible.

Do you integrate with our QA and development tools?

Yes. Our platform integrates with tools like Jira and TestRail so you can track issues, manage cycles, and collaborate without changing your existing processes.

How do you choose testers for regression suites?

We select testers based on domain knowledge, platform expertise, product familiarity, and technical depth. We maintain consistent testers across releases for continuity while rotating strategically to catch issues fresh eyes might spot.

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Can you test across specific platforms, devices, and environments?

Yes. Our community spans 600k+ devices, 150+ countries, and 100+ languages, allowing us to execute regression suites in the same environments and conditions your customers use.

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How do you use AI in your workflows?

LeoAI Engine™, the proprietary intelligence layer that powers our platform, orchestrates the entire testing process, from test runs and work opportunities to recruitment, application, and results. By automatically surfacing the best-fit testers for each engagement, streamlining onboarding, and learning from historical project data, it removes friction and enhances precision at every step. For functional testing engagements, this means fewer manual tasks, more strategic oversight, and dramatically improved speed and scale.

Can Testlio test proprietary or sensitive products securely?

Yes, we are ISO/IEC 27001:2022 certified and operate under strict security protocols for regulated industries. Our testers work within secure environments, validating products against the EU AI Act, GDPR, and other global regulations. For more information, visit our Trust Center.

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