The 11 cheapest growth · experimentation
The cheapest provider in the Top 11 The 11 Best A/B Testing Tools is PostHog, followed by GrowthBook.
Why this answer
Sorted by published starting price, lowest first. We use each provider's lowest documented price band; where pricing is undisclosed, the entry falls to the bottom of the list.
Showing the top 11 of 11+ screened. Methodology at /methodology.
#1PostHog(rank #10 in The 11 Best A/B Testing Tools)
—An open-source platform that tightly integrates A/B testing with product analytics.
Full PostHog review · Compare: PostHog vs GrowthBook · Alternatives
#2GrowthBook(rank #11 in The 11 Best A/B Testing Tools)
—An open-source tool that runs on your data warehouse, giving you full data ownership.
#3Statsig(rank #8 in The 11 Best A/B Testing Tools)
$150/mo+A developer-first platform with a sophisticated stats engine for running experiments from code.
#4Convert.com(rank #4 in The 11 Best A/B Testing Tools)
$199/mo+A privacy-focused tool with excellent performance and transparent, flexible pricing.
#5LaunchDarkly(rank #9 in The 11 Best A/B Testing Tools)
$250/mo+The top feature management platform with strong, integrated server-side experimentation.
#6VWO (Visual Website Optimizer)(rank #2 in The 11 Best A/B Testing Tools)
$356/mo+A powerful, accessible all-in-one platform with a superb visual editor for mid-market teams.
#7Optimizely(rank #1 in The 11 Best A/B Testing Tools)
—The enterprise standard for its powerful stats engine and full-stack experimentation features.
#8AB Tasty(rank #3 in The 11 Best A/B Testing Tools)
—A user-friendly platform excelling at AI-driven personalization for e-commerce and marketing.
#9Adobe Target(rank #5 in The 11 Best A/B Testing Tools)
—The best choice for enterprises in the Adobe ecosystem, with deep native integrations.
#10Kameleoon(rank #6 in The 11 Best A/B Testing Tools)
—A unified platform for web testing and feature flagging, enhanced by AI personalization.
#11SiteSpect(rank #7 in The 11 Best A/B Testing Tools)
—A unique proxy-based tool that tests anything without client-side JS, eliminating flicker.
Methodology: /methodology · No paid placement ever · Verified .