Free AI software testing tools

Free plans (11)

Their limits are stated in different terms, so they aren't ranked against each other. Ordered by first paid price.

Tool	Stated limits	What makes you upgrade	First paid price	Kind
LambdaTest (TestMu AI)Read Oct 29, 2026	Free tiers across products, including 100 minutes of web and mobile automation (2 parallel) valid for lifetime, 2000 SmartUI screenshots for lifetime, and free Test Manager"100 Minutes of free 2 parallel web+mobile automation testing valid for lifetime"Source	Not found	$15/mo yearlyVirtual Live	Free plan
KeployRead Oct 29, 2026	Playground plan is free forever: 30 test suite generations, 100 test runs, 5,000 test + sandbox runs and 5 AI credits per month. The open source core is also free."Free forever."Source	Not found	$19/userPro	Free plan
TestSpriteRead Oct 29, 2026	Free plan with 150 credits per month, 1 environment, 30 days run history, GitHub PR auto-test on 1 repo, Slack notifications"150 credits per month"Source	More than 150 credits: Starter includes 400	$19/moStarter	Free plan
FunctionizeRead Oct 29, 2026	Free plan with 800,000 credits/mo, all agent capabilities and 5 parallel runs, no credit card needed. When credits run out, agent work stops until the billing period restarts or credits are bought (buying extra is only on Growth and Scale)."The Free plan includes all agent capabilities, 400,000 credits each month, and five parallel runs. You do not need a credit card."Source	When credits run out, agent work stops until the billing period restarts or credits are bought (buying extra is only...	$20/moGrowth	Free plan
ShiplightRead Oct 29, 2026	Free forever: every core feature, 5 members, $10 one-time signup credit, 30-day retention, community support. No pay-as-you-go, so runs stop when credit runs out until upgrade."Every core feature, no credit card. Local browser automation and test authoring need no account at all."Source	No pay-as-you-go, so runs stop when credit runs out until upgrade	$60/moPro	Free plan
KatalonRead Oct 29, 2026	Free Studio: author and run tests locally, record and playback, local execution; no AI generation, parallel runs, self-healing, CI/CD or cloud execution"Author and run tests locally"Source	Not found	$83.33/user yearlyProfessional (Katalon Studio, , promo first 3 seats)	Free plan
BugBugRead Oct 29, 2026	Free-forever plan: unlimited local runs, 15 tests, 4 test suites, 1 user, 1 project, AI recorder, components, edit & rewind, screenshots, 7 days of run history; no cloud runs. Paid plans needed for scheduling, CI/CD and cloud."Yes, we offer a Free-forever plan with unlimited local test runs."Source	Paid plans needed for scheduling, CI/CD and cloud	$99/mo yearlyCore	Free plan
MomenticRead Oct 29, 2026	2,000 credits per month, hard stop at the limit (runs pause), no credit card, 30-day results retention"2,000 credits/month for steps and hosting"Source	Not found	$125/moPay-as-you-go	Free plan
ACCELQRead Oct 29, 2026	Individuals plan for manual testing is free for life"Free for life"Source	Not found	No price found	Free plan
Percy (BrowserStack)Read Oct 29, 2026	Free plan with 5,000 screenshots per month, unlimited team members, a demo app and unlimited projects. What happens after the allowance is not stated."5,000 screenshots / month included"Source	Not found	No price found	Free plan
Tricentis TestimRead Oct 29, 2026	Community free plan after any trial ends; support is self-service only; includes unlimited local mobile runs with one parallel test; limit of one per organization; features subject to change"For anyone who signs up for any Testim trial, when the trial is complete, it will revert to the Community free plan."Source	Not found	No price found	Free plan

Free trial only (7)

• Applitools: Free trial offered; length not stated
• BrowserStack: Trial subscriptions last 30 days or other period granted by BrowserStack
• mabl: 14-day free trial
• PractiTest: 14-day free trial, no credit card required
• QA Wolf: Every new team gets free runs to get started (amount and duration not stated)
• Sauce Labs: Free trial offered on Live Testing, Virtual Device Cloud and Real Device Cloud; length not stated
• testRigor: 14 day free trial

Questions

How this page is made

Every limit is the vendor's own, read from its pages and quoted. A tool counts as a free plan when the text describes something you can keep using; a fixed number of days or a single batch of credits is listed separately. We don't test the plans. How prices are read.