Best free cro & testing tools in 2026
Genuinely free — not “free trial that ends in 14 days.” Free plans included if they're usable for real work. The catches and upgrade walls are called out.
Popupsmart
No-code popup builder for conversions, with A/B testing and targeting
OptiMonk
AI-built popups for Shopify and web stores, no designers needed
Axeptio
Consent management platform for web, apps, and terms with GDPR compliance
Getsitecontrol
On-site popups, forms, surveys, and email marketing in one tool
ConvertFlow
Funnel builder for lead capture, quizzes, and ecommerce conversion
Popup Maker
WordPress popup plugin for email opt-ins and sales conversions
ProveSource
Social proof pop-ups and live sales notifications for websites
The Hotels Network
Conversion, personalization, and benchmarking tools for hotel direct booking channels
Personyze
No-code website personalization and A/B testing platform for marketers
Proof Factor
Social proof, popups, and email/SMS marketing for Shopify stores
Mida
Lightweight A/B testing platform for websites, no developers needed
Provely
Real-time social proof and urgency notifications for websites
Odicci
Gamification platform for quizzes, instant wins and loyalty campaigns
Obviyo
AI-powered product recommendations and personalization for Shopify stores
TheySaid
AI user testing with synthetic and real testers, inside your build tools
Statcounter
Web analytics with session replay, heatmaps, and live visitor feeds
Microsoft Clarity
Free session recordings, heatmaps, and AI insights for websites
Optingun
Website widgets for AI chat, lead capture, and FOMO conversions
Contentsquare
Digital experience analytics with AI for human and agent journeys
RevenueCat
In-app purchase and subscription infrastructure for iOS, Android, and web apps
POWR
No-code website apps and plugins for leads, popups, and forms
Birdy
A/B test your Twitter/X profile to gain more followers
Enzuzo
Consent management platform for mid-market teams and agencies
Woobox
AI-built giveaways, quizzes, polls, forms, and landing pages
Lyssna
User research and usability testing platform for teams