Short answer
AI regression testing tools re-run your end-to-end tests after every change and use AI to write those tests, keep them working when the UI changes, or decide which ones to run. The right one depends on who should own the suite: an AI agent that builds it for you (TestOptim AI, Momentic, TestSprite), a managed service (QA Wolf), a low-code platform your team edits (mabl, Testsigma, testRigor), or visual checks on top of tests you have (Applitools).
- Regression testing answers one question after each release: does what worked yesterday still work?
- The cost is not running tests, it is writing and maintaining them; that is where AI helps most.
- Check three things in each tool: how tests are created, what happens when the UI changes, and how runs are triggered.
- Prices below are from each vendor, with the date we checked; TestOptim AI is our product and gets the same ratings.
On this page
What AI regression testing tools do
Regression testing re-checks the parts of an app that already worked, so a new change doesn't break them. Done by hand it is slow and boring, so small teams skip it. Done with scripts it is fast, but the suite needs someone to write it and to fix it every time the UI moves. Our guide to automated regression testing covers the practice; this page compares the tools.
AI regression testing tools cut that cost in different places. Some generate the suite by exploring the app. Some keep tests working through markup changes, which vendors call self-healing tests. Some help you run fewer tests by picking only the ones a change touched, which is selective regression testing.
AI regression testing tools at a glance
| Tool | Explores your app on its own | Plain-English test cases | Self-healing tests | CI/CD and scheduled runs | Bug reports with evidence | Pricing |
|---|---|---|---|---|---|---|
| Momentic | Yes | Yes | Yes | Yes | Yes | Free ($50 of usage/mo); paid from $500/moChecked 9 Nov 2026 |
| TestOptim AI | Yes | Yes | Yes | Yes | Yes | 7-day Solo trial, then $19–$149/mo self-serve |
| TestSprite | Yes | Yes | Yes | Yes | Partly | Free (150 credits/mo); paid from $19/moChecked 20 Oct 2026 |
| QA Wolf | Yes | Not verified | Yes | Yes | Yes | $1 per web test run ($2 mobile or desktop)Checked October 2026 |
| mabl | No | Partly | Yes | Yes | Partly | 14-day trial; custom quote (~$36K/yr median, Vendr)Checked October 2026 |
| testRigor | No | Yes | Yes | Yes | Partly | Free for public projects; private plans by quoteChecked 26 Oct 2026 |
| Testsigma | No | Yes | Yes | Yes | Partly | Free trial, then custom quoteChecked October 2026 |
| Applitools | No | Partly | Yes | Yes | Partly | Starter $667/mo (billed annually); higher tiers by quoteChecked 26 Oct 2026 |
Ratings come from each vendor's documentation and our own trials. "Not verified" means we couldn't confirm it. Prices are in US dollars as each vendor publishes them; follow a tool's link for the sources.
How to choose a regression testing tool
- Who writes the tests? If nobody on the team has time, pick a tool that explores the app and writes the suite; see how AI test automation works. If you have QA engineers, a low-code platform gives them more control.
- What happens when the UI changes? Ask to see a run after a redesign. Count the tests that failed for no real reason, and check that every healed step is reported.
- How are runs triggered? Look for schedules, a CI integration and a way to run only the tests for what changed, so a small release doesn't cost a full run.
- What does a failure give you? A useful report has steps to reproduce, expected and actual results, a screenshot and a recording, and it lands in your tracker.
- How is it priced? Per run, per credit, per seat or by quote. Estimate a month of real use, not the entry price.
Our ROI calculator estimates what automated regression saves compared with manual testing.
The tools
Grouped by how each tool works and listed alphabetically within a group, not ranked.
Momentic
An AI QA engineer plus agentic tests for web and mobile
Momentic pairs Mo, an agent that explores your app from a prompt and files bugs with recordings, with plain-English tests kept as YAML in your repo and run from its CLI, CI or MCP server. It covers web, iOS and Android. Pricing is usage-based: a free plan with $50 of usage a month and no card, then Scale at $500/mo with $500 of usage.
Choose it if
- You need native iOS or Android testing
- You want tests versioned in your repo and run from a CLI or your coding agent through MCP
- You want a free tier to start without a card
- You prefer to steer an agent with prompts for ad hoc bug bashes
Doesn't offer
- Human engineers review results
- Pricing
- Free ($50 of usage/mo); paid from $500/mo
- Free to start
- Free plan: $50 of usage a month, no card
- Price checked
- 9 Nov 2026. Sources: Momentic pricing
TestOptim AIOur product
An AI agent that explores your web app, writes the tests and reports bugs
TestOptim AI points an agent at your web app's URL: it maps pages, flows and entities, writes end-to-end test cases in plain English, runs them in real browsers and files bugs with severity, steps, a screenshot, video and a Playwright trace. Self-serve plans cost Solo $19, Startup $49 and Growth $149 a month, with Enterprise on request.
Choose it if
- You want an agent to explore your web app and write the end-to-end tests itself
- You have no dedicated QA team to author and maintain a suite
- You want published, self-serve prices and no sales call
- Your app is on localhost, behind Cloudflare or behind an OTP login
Doesn't offer
- Native mobile apps
- API testing
- Human engineers review results
- Test code you own and export
- Pricing
- 7-day Solo trial, then $19–$149/mo self-serve
- Free to start
- A 7-day Solo trial (a card is needed to start)
- Price checked
- Live pricing
TestSprite
Agentic testing for developers and coding agents
TestSprite plans, writes, runs and repairs frontend and backend tests from a URL, a PRD or your code, and plugs into IDEs through MCP, an open-source CLI and GitHub PR checks. It has a free plan with 150 credits a month; paid plans start at $19/mo.
Choose it if
- You want a free plan to start
- You work in an IDE with a coding agent and want MCP
- You need backend API tests
- You want GitHub PR checks on the free plan
Doesn't offer
- Native mobile apps
- Human engineers review results
- Pricing
- Free (150 credits/mo); paid from $19/mo
- Free to start
- Free plan: 150 credits a month, no card
- Price checked
- 20 Oct 2026. Sources: TestSprite pricing
QA Wolf
AI-run Playwright and Appium testing, priced per run
QA Wolf maps your app with agents, writes and runs Playwright and Appium tests in parallel, clears flakes and files bug reports, for web, iOS, Android and desktop. It charges per test run: $1 per web run and $2 per mobile or desktop run, starting with $20 of credits.
Choose it if
- You need iOS, Android or desktop testing
- You want deterministic Playwright or Appium code
- You run at high volume and can negotiate per-run pricing
- You want a managed service option
- Pricing
- $1 per web test run ($2 mobile or desktop)
- Free to start
- No
- Price checked
- October 2026. Sources: QA Wolf pricing page, Vendr: QA Wolf buyer pricing data (58 purchases)
mabl
Low-code, agentic test automation for enterprises
mabl is a mature low-code platform for web, mobile, API and performance testing, metered by cloud test credits. It offers a 14-day free trial; every paid plan is a custom quote, and Vendr's buyer data puts the median contract around $36,000 a year. You build tests in its recorder rather than having an agent generate the suite.
Choose it if
- You need mobile, API and performance testing in one platform
- You have a QA team that wants a mature recorder
- You need enterprise integrations and support
- You can budget through a sales quote
Doesn't offer
- Explores your app on its own
- Human engineers review results
- Test code you own and export
- Pricing
- 14-day trial; custom quote (~$36K/yr median, Vendr)
- Free to start
- 14-day free trial
- Price checked
- October 2026. Sources: mabl pricing page, Vendr: mabl buyer pricing data (updated February 2026), PricingSaaS: mabl pricing history (captured July 2026)
testRigor
Plain-English test automation
testRigor offers mature plain-English test authoring with stable AI locators across web, mobile and API. Its free plan only works on public or open-source projects; private apps need a paid plan, which testRigor prices through sales by the number of tests you run in parallel.
Choose it if
- You test open-source projects on the free plan
- You need mobile, API, email or SMS flows in plain English
- You have testers who want to author every step
- You need very mature AI locators
Doesn't offer
- Explores your app on its own
- Human engineers review results
- Test code you own and export
- Pricing
- Free for public projects; private plans by quote
- Free to start
- Free plan for public or open-source projects only
- Price checked
- 26 Oct 2026. Sources: testRigor plans (sign-up page), testRigor: how licensing works, PricingSaaS: testRigor plans (captured June 2026)
Testsigma
Unified, plain-English test automation
Testsigma offers web, mobile and API automation with plain-English test steps and self-healing. The automation platform is quote-only (Pro and Enterprise) after a free trial; the Free Forever plan belongs to its separate Test Management product. Its open-source Community Edition is free to self-host but was last released in August 2023.
Choose it if
- You test mobile, API, SAP or Salesforce as well as web
- You want a free self-hosted option
- You have a QA team that prefers to author each test
- You buy through enterprise procurement
Doesn't offer
- Explores your app on its own
- Human engineers review results
- Pricing
- Free trial, then custom quote
- Free to start
- Free trial; self-hosted Community Edition (last released Aug 2023)
- Price checked
- October 2026. Sources: Testsigma pricing page (automation plans), Test Management by Testsigma plans, Testsigma vs Selenium (21-day trial), Testsigma Community Edition on GitHub
Applitools
Visual AI for test automation
Applitools is a specialist visual-AI layer: it catches pixel and layout bugs across browsers and devices that functional checks miss, inside your existing Selenium, Cypress, Playwright or Appium tests. Its Starter plan is $667 a month, billed annually; Professional and Enterprise are quoted.
Choose it if
- You already have a Selenium, Cypress, Playwright or Appium suite
- Pixel-perfect rendering across browsers and devices matters most
- You need visual regression at scale
Doesn't offer
- Explores your app on its own
- Human engineers review results
- Pricing
- Starter $667/mo (billed annually); higher tiers by quote
- Free to start
- Free trial
- Price checked
- 26 Oct 2026. Sources: Applitools pricing page, Vendr: Applitools buyer pricing data (updated February 2026)
Regression testing with TestOptim AI
- Explore the app once to build a knowledge base of pages, flows and entities, then generate the suite in one click.
- Run it on a daily or hourly schedule, from CI with an API key, or by hand.
- After a small release, run only the tests for the areas that changed: tick the pages and flows you touched and only their tests run.
- When a flow changes, re-explore and regenerate. Regenerate only adds cases, so your edits and manual cases stay.
- When you fix a bug, mark it fixed and re-test it without running the whole suite.
Frequently asked questions
What is AI regression testing?
It is regression testing where AI does the slow parts: writing the tests by exploring the app, keeping them working when the UI changes, or choosing which tests a change needs. The tests still run in real browsers and fail when something that used to work breaks.
How often should regression tests run?
Run them on every release at least, and daily for an app that changes often. A scheduled run catches problems from third-party changes too. Between releases, run only the tests for the areas a change touched to save time and test runs.
Can regression tests run only for what changed?
Yes, in tools that know which tests cover which part of the app. In TestOptim AI you tick the pages and flows you changed, or pass them from CI, and only the test cases generated from those areas run.
Which AI regression testing tools have a free plan?
Free access changes often, so check the pricing column above, which shows the date we last checked each tool. Free options range from credit-capped plans to time-limited trials. Our pricing comparison lists free plans and card requirements for every tool we track.
Are regression testing tools worth it for a small team?
Usually, because small teams are the ones that skip regression testing when busy. An agent that writes and runs the suite costs less than a QA hire, but someone still has to read the reports and fix what they find.
How did you pick and rate these regression testing tools?
We picked established tools that teams shortlist for regression testing and rated each from its documentation and our own trials, on the same scale we use for TestOptim AI. The list is grouped by how the tools work, not ranked, and each price links to its source.
Related reading
- Selective regression testingWhen to run only the tests for what changed.
- Best AI testing toolsA wider list of AI testing tools, with prices.
- AI QA testing pricing, comparedFree plans, card requirements and entry prices for every tool we track.
- Docs: run tests for changed areasPick the pages and flows you changed and run only their tests.