Short answer
Test automation tools run your tests in real browsers so nobody has to click through the app by hand. They fall into three broad kinds: free open-source frameworks where developers write every test in code (Playwright, Cypress, Selenium), low-code platforms where a QA team builds tests in an editor (Katalon, mabl, Testsigma, testRigor, Testim), and AI agents or services that write and run the tests for you (TestOptim AI, Momentic, QA Wolf). Choose by who will own the tests.
- The main cost of automated testing is writing and maintaining tests, not running them.
- Frameworks are free but need engineers; platforms need QA time; agents need someone to review results.
- For web apps, check browser coverage, CI support, how tests survive UI changes and what a failure reports.
- TestOptim AI is our product. It is rated on the same scale as every other tool, gaps included.
On this page
What test automation tools do
A test automation tool turns a test case, such as 'a shopper can add an item to the cart and check out', into something a computer can repeat on every release. The tool opens a browser, performs each step and compares what happened with what should have happened. When the two differ, the test fails and someone looks at why.
Automated testing tools differ in who writes those steps and how. That choice matters more than any single feature, because it decides whether the suite grows with the app or falls behind it. The end-to-end testing guide explains which tests are worth automating first.
Test automation tools at a glance
| Tool | Explores your app on its own | Plain-English test cases | Self-healing tests | CI/CD and scheduled runs | Test code you own and export | Pricing |
|---|---|---|---|---|---|---|
| Momentic | Yes | Yes | Yes | Yes | Partly | Free ($50 of usage/mo); paid from $500/moChecked 9 Nov 2026 |
| TestOptim AI | Yes | Yes | Yes | Yes | No | 7-day Solo trial, then $19–$149/mo self-serve |
| QA Wolf | Yes | Not verified | Yes | Yes | Yes | $1 per web test run ($2 mobile or desktop)Checked October 2026 |
| Katalon | No | Partly | Yes | Yes | Yes | Free plan; Professional $2,199/seat/yr plus execution add-onsChecked 26 Oct 2026 |
| mabl | No | Partly | Yes | Yes | No | 14-day trial; custom quote (~$36K/yr median, Vendr)Checked October 2026 |
| Testim | No | No | Yes | Yes | Not verified | Free Community plan; paid plans by quoteChecked October 2026 |
| testRigor | No | Yes | Yes | Yes | No | 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 | Not verified | Starter $667/mo (billed annually); higher tiers by quoteChecked 26 Oct 2026 |
| Cypress | No | Partly | Not verified | Yes | Yes | Free app; Cloud free on Starter, then from $67/mo (annual)Checked 20 Oct 2026 |
| Playwright | Partly | Partly | Partly | Yes | Yes | Free, open sourceChecked 20 Oct 2026 |
| Selenium | No | No | No | Yes | Yes | Free, open sourceChecked 20 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 its sources and the date we checked.
Three kinds of automated testing tools
| Open-source framework | Low-code platform | AI agent or service | |
|---|---|---|---|
| Examples | Playwright, Cypress, Selenium | Katalon, mabl, Testsigma, testRigor, Testim | TestOptim AI, Momentic, QA Wolf |
| Who writes tests | Developers or SDETs, in code | QA engineers, in an editor | The agent or the vendor's engineers |
| Licence cost | Free | Per seat, per run or by quote | Subscription, per run or by quote |
| Hidden cost | Engineering time to write and fix tests | QA time to build and update tests | Time to review results |
| Best for | Teams who want tests as code in the repo | QA teams automating manual test cases | Teams with no one free to own a suite |
Many teams mix them: a handful of Playwright tests for the most critical flows, and an agent or platform for wide coverage. If you want only the no-code options, see codeless test automation tools; if you want only AI tools, see the best AI testing tools.
How to choose test automation tools for your team
- Count the people. Who will write tests, and how many hours a week can they give? Zero hours rules out frameworks and most platforms.
- List what you test. Web only, or also native mobile and APIs? Several platforms cover all three; TestOptim AI covers web apps.
- Run a real flow. Automate your hardest flow in the trial, including sign-in with a one-time code if you use one.
- Change the UI and re-run. False failures after a redesign are the maintenance work you will pay for every month.
- Read a failure. A developer should be able to reproduce the bug from the report alone.
- Estimate a year of cost. Include engineering time for frameworks. Our ROI calculator compares automation 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
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)
Katalon
All-in-one quality management platform
Katalon is a broad QA suite: a free plan for authoring and running tests locally, then Professional at $2,199 per seat a year. Headless and CI/CD runs need a Runtime Engine add-on and cloud runs need TestCloud add-ons, which Katalon's pricing page doesn't price.
Choose it if
- You have a QA team that records and scripts tests
- You need mobile, API and desktop testing in one suite
- You want test management and reporting built in
- You want a free plan for authoring
Doesn't offer
- Explores your app on its own
- Human engineers review results
- Pricing
- Free plan; Professional $2,199/seat/yr plus execution add-ons
- Free to start
- Free plan for local authoring and runs, and a 30-day trial
- Price checked
- 26 Oct 2026. Sources: Katalon pricing page, Katalon Runtime Engine
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)
Testim
AI-based, self-healing test automation
Testim, part of Tricentis, brings smart-locator self-healing to recorded and scripted tests, with a strong CI/CD ecosystem. Paid editions are custom quotes priced by parallel tests, and trial accounts revert to a free Community plan, limited to one per organization.
Choose it if
- You already use the Tricentis suite
- You have testers who record and script tests
- You need enterprise ALM integrations
Doesn't offer
- Explores your app on its own
- Plain-English test cases
- Human engineers review results
- Pricing
- Free Community plan; paid plans by quote
- Free to start
- Free Community plan after a 7-day trial (on request)
- Price checked
- October 2026. Sources: Testim pricing page, Tricentis docs: Testim subscription plans, Vendr: Tricentis buyer pricing data (updated February 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)
Cypress
Open-source JavaScript testing plus Cypress Cloud
Cypress is a popular open-source framework for writing end-to-end and component tests in JavaScript. Cypress Cloud adds parallelization, Test Replay, analytics, AI prompts and an MCP. The app is free; Cloud has a free Starter plan and paid plans from $67/mo billed annually.
Choose it if
- Your engineers want tests in the repo
- You need component tests
- You want free, open-source tooling
- You already run Cypress in CI
Doesn't offer
- Explores your app on its own
- Native mobile apps
- Human engineers review results
- Pricing
- Free app; Cloud free on Starter, then from $67/mo (annual)
- Free to start
- Free open-source app, plus a free Cloud Starter plan (no card)
- Price checked
- 20 Oct 2026. Sources: Cypress pricing
Playwright
Open-source browser testing, now with AI test agents
Playwright is Microsoft's free, open-source end-to-end testing framework. Its Test Agents (planner, generator and healer) let a coding agent such as Claude Code, Codex or VS Code explore an app, write Playwright tests and repair failing ones, but you run, host and maintain everything in your own repo.
Choose it if
- You have engineers who want tests in the repo
- You want zero licence cost
- You already use Claude Code, Codex or VS Code agents
- You need API tests or deep control over each step
Doesn't offer
- Native mobile apps
- Human engineers review results
- Pricing
- Free, open source
- Free to start
- Free and open source
- Price checked
- 20 Oct 2026. Sources: Playwright Test Agents
Selenium
The original open-source browser automation project
Selenium is the long-standing open-source project for automating browsers through WebDriver, with bindings for Java, Python, C#, JavaScript and more. It's free; test design, infrastructure, maintenance and reporting are up to your team.
Choose it if
- You have a large Selenium suite and the team to run it
- You need bindings in a specific language
- You want zero licence cost and full control
- You already run your own grid
Doesn't offer
- Explores your app on its own
- Plain-English test cases
- Self-healing tests
- Bug reports with evidence
- Native mobile apps
- API testing
- Human engineers review results
- Pricing
- Free, open source
- Free to start
- Free and open source
- Price checked
- 20 Oct 2026. Sources: Selenium
Frequently asked questions
What are the best test automation tools in 2026?
Playwright is a widely used free framework for web tests written in code. Katalon, mabl and Testsigma are established low-code platforms. TestOptim AI and Momentic are AI agents that write the tests themselves. The best one is the kind that matches who will own your tests.
Can I move my tests to another tool later?
Yes, but plan for it. Coded frameworks keep tests as files you own, so moving between Playwright and Cypress is a rewrite, not a loss. Hosted platforms usually keep tests in their own format. Start with your most important journeys so a move costs little.
Which test automation tool is free?
Playwright, Cypress and Selenium are free and open source; you pay in the time it takes to write and maintain the tests. Several platforms and agents have free plans or trials with limits. The pricing column above shows each tool's free access on our last check.
Is Selenium or Playwright better for test automation?
For a new web project, Playwright is usually easier: it waits for elements automatically, runs all major browsers and ships a trace viewer. Selenium supports more languages and older setups. Both need someone to write and maintain every test in code.
Can test automation tools test without writing code?
Yes. Low-code platforms let you build tests in an editor or plain English, and AI agents such as TestOptim AI write the tests themselves from exploring your app. Coded frameworks such as Playwright and Selenium always need code.
How did you pick and rate these test automation tools?
We picked the frameworks, platforms and AI tools that teams most often shortlist for web test automation, and rated each from its documentation and our trials on the same scale we use for TestOptim AI. The list is grouped by how tools work, not ranked.
Related reading
- Best AI testing toolsOnly the AI tools, with who each suits and sourced prices.
- Low-code test automation toolsVisual editors with a code escape hatch, compared.
- AI test automationHow an agent explores your app, writes the tests and runs them.
- Playwright alternativesNo-code and coded tools compared for teams leaving Playwright scripts.