Vetted & Ranked
Best Vetted Conversion Rate Optimization / A/B Testing Software Companies in 2026
✓ Independently vetted by the WhatiseBrokering team · Last updated July 21, 2026
Every company below passed our vetting checklist — try before you buy or a real money-back guarantee, no fine-print returns, and a human you can reach. TrustScores reflect what we actually verified, not what companies claim.
🏆 Best Choice in 2026
✓ Keak
✓ VettedAI-powered A/B testing that scans your page, generates variants, and runs the experiments for you.
Why we like them
✓Usage-based pricing at $0.005 per impression—no monthly subscription or seat fees
✓Free tier available without a card: 25 variants, 3 image variants, 1 domain per month
✓REST API and webhook support for programmatic test management (Pro/Enterprise plans)
What we verified
—Money-back guarantee verified
—Free trial available
✓Reachable customer service
✓No fine-print return conditions
✓No unrealistic claims detected
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