🍪 CRO Bites #11: Why We Built an A/B Testing Tools Comparison for 2026
The best CRO resources, delivered monthly and powered by Conversion Stash
Hi there 👋
Every time someone asks “Which A/B testing tool should we choose?”, we watch the same ritual unfold: 15 tabs open, 3 sales decks, and a spreadsheet trying to translate MAUs vs. MTUs vs. Events into something that resembles reality.
That’s the tool decision tax. And it’s not harmless: choosing an experimentation platform shapes how you ship, how you measure, and how painful it will be to change your mind later.
So we built the A/B Testing Tool Comparison 2026 inside Conversion Stash.
We have included 30+ tools in this overview. For 19 of them, we have already been in direct exchange with the vendors to verify their specs. The remaining tools are transparently marked as “awaiting vendor input” and will be updated continuously.
To help you compare apples to apples, we structured the data into six specific categories:
Ratings: Scores from G2, Capterra, and TrustRadius.
Pricing & Plans: Clear details on models (Fixed vs. MAU), free tiers, and trials.
Tech: Full stack capabilities from SDK coverage to warehouse-native integrations.
Statistics: The engine under the hood (e.g. Sequential Testing, CUPED, SRM).
Support: Available support channels and languages.
Other: Customers and Data governance (GDPR, CCPA, HIPAA).
Our advice: Use it to shortlist 2-3 realistic candidates, then run a small pilot before you commit.
🏆 Resource of the Month
Next-Level A/B Testing (Book) by Leemay Nassery
The better the tools you have in your experimentation toolkit, the better off teams will be shipping and evaluating new features on a product. Learn how to create robust A/B testing strategies that evolve with your product and engineering needs. See how to run experiments quickly, efficiently, and at less cost with the overarching goal of improving your product experience and your company’s bottom line.
🧩 Featured Assets
50 Experimentation Interview Questions
Hiring for CRO or preparing for your next role? This list of 50 essential questions will help assess candidates’ expertise in experimentation, analytics, and optimization strategy.
Test Planning + Test Analysis Templates (by Gerda Thomas & Ryan Thomas)
Two Google Sheets templates for pre- and post-analysis of AB tests.
CRO Glossary Cheatsheet
Master the language of experimentation with our CRO Glossary Cheatsheet. This quick reference guide covers 100+ key terms, helping you navigate A/B testing, statistical significance, and optimization frameworks like a pro.
📆 Upcoming Experimentation Events in 2026
Did you know? You can easily add the Experimentation Events calendar to your Google, Outlook or Apple calendar by clicking this button.
🇸🇪 MeasureCamp Malmö | January 17, 2026 | Malmö, Sweden
🇬🇧 Experimentation London #9 | January 21, 2026 | London, UK
🇩🇰 CROpen Mic #6 | January 27, 2026 | Copenhagen, Denmark
🇬🇧 CRAP Talks #31 | January 27, 2026 | London, United Kingdom
🇭🇺 Superweek | February 2-6, 2026 | Budapest, Hungary
🇨🇦 UNITE Summit | February 4-6, 2026 | Vancouver, Canada
🇳🇱 Optimization Meetup Utrecht #1 | February 5, 2026 | Utrecht, Netherlands
🇺🇸 Experimentation Island | February 24-26, 2026 | Georgia, USA
🇳🇴 Experiment Live Meetup Oslo | February 25, 2026 | Oslo, Norway
🇩🇰 Conversionboost | March 17, 2026 | Copenhagen, Denmark | 🏷️ Save 50 € with code
ConversionStash50🇳🇱 Emerce Conversion | April 9, 2026 | Amsterdam, Netherlands
🇺🇸 Product Analytics Summit | April 15, 2026 | San Jose, USA
🇬🇧 Space Academy by ExElite | AI That Works | May 6, 2026 | London, UK | 🏷️ Save 12 % with code
CS12🇬🇧 Space Academy by ExElite | Tomorrow’s World Today | May 7, 2026 | London, UK | 🏷️ Save 12 % with code
CS12🇬🇧 Circus (formerly known as EXL) | May 11-12, 2026 | London, UK
🇩🇪 Growth Minded Superheroes | June 16, 2026 | Frankfurt am Main, Germany
🇳🇱 Conversion Hotel | November 20-22, 2026 | Texel, Netherlands
🚀 Ready for Lift Off at Experimentation Elite?
2 Days of Practical AI & Experimentation in London
Join the ExElite crew and build AI workflows that save time & budget.
🗓️ Wed 6 May 2026 | The Pre-launch Workshop
Iqbal Ali & Slobodan Manic teach you how to build reliable agents and workflows with n8n and small models.
🗓️ Thu 7 May 2026 | Space Academy
Hosted by Flight Director Juliana Jackson (Cloud Director, Data Science @ Jellyfish).
Prepare for ignition with keynotes from your Flight Commanders: Jim Sterne (Founder Marketing Analytics Summit and Digital Analytics Association), Sarah Cridland (CX Lead @ REO Digital), Slobodan Manić (AI Experimentor) and Lina Mikolajczyk (Chief Data & AI Officer @ Venatus).
Supported by Space Station Advisors Abi Hough (Director @ UU3 Ltd), Iqbal Ali (CRO Tales | Experimentation Consultant & Coach), Charles Meaden (Founder @ Digital Nation / Gong Man) and Kathleen Bagley (B2B PR, Marketing, Storyteller).
👉 Use code CS12 at checkout to save 12%.
💼 Looking for a New Challenge in Experimentation?
Find 100+ experimentation related jobs on ExperimentationJobs.com. These jobs are from all over the world, on-site, fully remote or hybrid. Take a look and start pivoting your career.
This week’s featured roles:
Senior Product Analyst at Toast (Remote, USA)
UX/UI Optimization Specialist at Nestle (Portugal)
Conversion Rate Optimisation Executive at THG (Manchester, United Kingdom)
Senior Product Manager – Growth at Kit (Remote)
Digital Analyst (Marketing) at Ayvens (Madrid, Spain)
Are you hiring? Submit here
🙌 Want your Product discovered by our Audience?
We love partnering with brands that resonate with our audience. Drop us a line at info@conversion-stash.com to explore sponsorship options!
Stay optimized,
Niklas & Nils from Conversion Stash
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