Best A/B Testing Tools in 2026
Updated
In short: Confidence by Spotify is ranked #1 of 50 as of 4 October 2026, ahead of LaunchDarkly Experimentation and Zoho PageSense. The best-ranked option with a free plan is LaunchDarkly Experimentation. The lowest first paid tier on this page is Crazy Egg at $2.42/mo.
When you’re comparing A/B testing tools, start with the kinds of tests you need and how you’ll target audiences. The entries are ranked, with LaunchDarkly Experimentation, GrowthBook, and Confidence by Spotify among those at the top. Compare feature flags, server-side testing, and visual editors, then check whether mobile SDKs and supported platforms fit your setup. Free plans and paid-from pricing add cost context to the feature comparison. The listed criteria can help you weigh experimentation approaches and platform coverage against the work you need to do.
50 A/B testing tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
50ranked
14free plans on this page
$2.42/molowest paid tier
4 Oct 2026last checked
#1 Confidence by Spotify Top pick · 7.5 Free plan · $449/mo
#2 LaunchDarkly Experimentation Runner-up · 7.5 Free plan · $108.33/mo
#3 Zoho PageSense Also great · 7.5 Free plan · Free
- Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 449 /mo
- Test types
- A/B tests, rollouts
- Supported platforms
- web_and_mobile
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$449/mofirst paid tier About Confidence by SpotifyVisit site - Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 8.33 /mo
- Test types
- A/B testing; A/A testing; multi-armed bandits; holdout experiments; warehouse-native experiments
- Supported platforms
- web_and_mobile
- Visual editor
- No
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$108.33/mofirst paid tier About LaunchDarkly ExperimentationVisit site - Free planFree trial AndroidapiextensioniOSWeb
- Free plan
- Yes
- Test types
- A/B testing; split URL testing; full-stack testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free planFree trial apiextensionWeb
- Free plan
- Yes
- Paid from
- 29 /mo
RecognisedDocumentedPlatformsFree planFree trial$2.42/mofirst paid tier About Crazy EggVisit site - Free planFree trial AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 299 /mo
- Visual editor
- Yes
RecognisedDocumentedPlatformsFree planFree trial$299/mofirst paid tier About MidaVisit site - Free plan AndroidapiiOSself-hostedWeb
- Free plan
- Yes
- Test types
- A/B tests; safe rollouts; multi-arm bandits
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$40/mofirst paid tier About GrowthBookVisit site - Free plan AndroidapiiOSWeb
- Free plan
- Yes
- Paid from
- 150 /mo
- Test types
- A/B/n, multivariate, sequential, switchback, non-inferiority, multi-arm bandit, holdout
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$150/mofirst paid tier About StatsigVisit site - Free plan AndroidapiextensioniOSWeb
- Free plan
- Yes
- Paid from
- 500 /mo
- Test types
- A/B, multivariate, user experience, conversion funnel, server-side, algorithm, architecture, database query
- Supported platforms
- web_and_mobile
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$500/mofirst paid tier About DevCycleVisit site - Free plan AndroidapiextensioniOSWeb
- Free plan
- Yes
- Test types
- Remote Config experiments; messaging experiments; In-App Messaging experiments
- Supported platforms
- web_and_mobile
RecognisedDocumentedPlatformsFree planFree trial - Free plan AndroidapiextensioniOSself-hostedWeb
- Free plan
- Yes
- Test types
- A/B/n testing; split-URL testing; stacked testing; server-side testing; native mobile-app testing; Shopify price testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WebiOSAndroid
- Free plan
- Yes
- Paid from
- 49 /mo
- Test types
- A/B testing; percentage-based experiments and rollouts
- Supported platforms
- web_and_mobile
- Visual editor
- No
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$49/mofirst paid tier About FeatureflipVisit site - Free trial AndroidapiiOSWeb
- Free plan
- No
- Paid from
- 495 /mo
- Test types
- A/B testing, A/B/n testing, multivariate testing, feature experimentation, server-side testing, personalization
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial$495/mofirst paid tier About KameleoonVisit site - Free plan AndroidiOSWeb
- Free plan
- Yes
- Test types
- A/B testing, multi-page testing, feature testing, server-side testing, multivariate testing, multi-armed bandit testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 700 /mo
RecognisedDocumentedPlatformsFree planFree trial$700/mofirst paid tier About MtrixVisit site - Free plan api
- Free plan
- Yes
- Paid from
- 0 /mo
RecognisedDocumentedPlatformsFree planFree trial - apiWeb
- Free plan
- Yes
- Test types
- A/B testing, multi-page testing, feature testing, server-side testing, multivariate testing, multi-armed bandit testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - AndroidiOSWeb
- Test types
- A/B/n testing, multivariate testing, multi-armed bandit testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebiOSAndroid
- Free plan
- Yes
- Test types
- A/B testing, multivariate experiments, server-side testing, mobile-app testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebiOSAndroid
- Test types
- A/B testing, multivariate testing, adaptive optimization, personalization
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebiOSAndroid
- Test types
- A/B testing; dynamic allocation; affinity allocation
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebiOSAndroid
- Free plan
- Yes
- Test types
- A/B testing, multivariate testing, sequential testing, CUPED, multi-armed bandits, Bayesian testing, split URL testing, LLM/model evaluation
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebiOSAndroid
- Test types
- A/B, A/B/n, multivariate, dynamic, feature experimentation
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebiOSAndroid
- Test types
- A/B, multivariate, split URL, multi-page, cross-domain, device-specific
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - AndroidapiextensioniOSLinuxmacOSself-hostedWebWindows
- Free plan
- No
- Test types
- A/B testing; A/B/n multi-variant testing; Fixed Horizon; Group Sequential Testing
- Supported platforms
- web_and_mobile
- Visual editor
- Yes
- Server-side testing
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Test types
- YouTube thumbnail tests; YouTube title tests
- Supported platforms
- web
- Server-side testing
- No
RecognisedDocumentedPlatformsFree planFree trial$10/mofirst paid tier About abtestVisit site
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which A/B testing tool is ranked first on Specifiction?
Confidence by Spotify is ranked #1 of 50 with a score of 7.5. LaunchDarkly Experimentation is second and Zoho PageSense third.
How many of these have a free plan?
14 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Crazy Egg has the lowest first paid tier we found: $2.42/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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