Best a/b testing tools

Best a/b testing tools

Tools whose primary category is a/b testing. These are the canonical ranked options. 1 listed.

1. 01
   Convert

   Website A/B testing with transparent published pricing.

   • 15-day trial
   • Enterprise tier
   • 3 plans
   From

   $299/mo

   Plans

   3
   Convert profile Convert alternatives

Also relevant

Tools whose primary category is something else, but which list a/b testing as a secondary fit. They overlap on use case and are worth considering, especially if you have adjacent needs.

• PostHog primarily analytics

  Open-source product analytics, session replay, feature flags, and surveys in one stack.

  Free
• Unbounce primarily landing pages

  Landing-page builder with built-in A/B testing and AI traffic optimization.

  $22/mo

Common questions

What's the cheapest a/b testing tool?

Convert starts at $299/mo, the lowest entry price among 3 a/b testing tools we track. Pricing scales differently above the entry tier; check the full plan grid before buying.

How many a/b testing tools have a free plan?

1 of 3: PostHog. Free-tier limits vary, so the right pick depends on your contact count and send volume.

Which a/b testing tools offer free trials?

1 of 3: Convert (15-day trial). Trials let you test paid features without upfront payment.

Which a/b testing tools ship a custom Enterprise tier?

3 of 3: Convert, PostHog, Unbounce. Enterprise tiers typically add SAML SSO, SOC 2 / HIPAA, dedicated account management, and contract-negotiated pricing. If those aren't load-bearing for your team, the lower self-serve tiers are usually the right pick.

How is this list ranked?

Tools whose primary category is a/b testing appear first, then adjacent tools that also serve this use case. Within each group, free-plan tools come first, then ascending entry price, then alphabetical. No editorial 'best' claims; rankings are derived from verified plan data.