Open Beta — Free to start

Your A/B Tests Deserve Better
Than Guesswork

Upload your data, get statistically rigorous results with AI-powered insights. No PhD required.

No credit card required · Free forever plan available

Conversion Rate

+12.4%

Significant (p < 0.01)

AI Insight

Variant B outperforms control by 23% on mobile. Roll out immediately.

Bayesian Prob.

97.3%

B beats Control

SRM Check
Pass

No ratio mismatch

Trusted by data-driven teams at

Acme CorpStratifyLooplineMetric CoGrowthly

Why hypoTEST

Experimentation that's right by design

Correct by Default

Built-in guardrails: peeking correction, sample ratio mismatch detection, multiple comparison correction. Your results are statistically valid, automatically.

Understand, Don't Just Measure

AI-powered insights explain your results in plain language. Know what happened, why it matters, and what to do next.

5 Minutes to Your First Result

Upload a CSV, configure your experiment, and get results. No SDK integration, no engineering team required.

How it works

From CSV to insights in minutes

1

Upload Your Data

Drop in a CSV or Excel file with your user events and conversions.

2

Configure Your Experiment

Choose metrics, name your variants, set your audience and success criteria.

3

Get Rigorous Results

Statistical tests run instantly. AI explains what the numbers mean for your business.

Frequentist & Bayesian

Two engines, one platform

Run classic t-tests or CUPED-adjusted analysis with the frequentist engine, or switch to Bayesian for probability-based decisions. You choose the paradigm.

AI-Powered Insights

Results in plain English

Integrated AI reads your data, identifies winners and losers, flags anomalies, and writes a business-friendly summary — not just p-values.

Built-in Guardrails

Statistics you can trust

Automatic SRM checks, sequential testing correction, Bonferroni/BH adjustment, and power analysis baked in. No cherry-picking.

Pricing

Simple, transparent pricing

Start free. Upgrade when you're ready.

Free

$0/mo
  • 2 active experiments
  • Up to 1,000 users
  • Frequentist engine
  • 3 AI insights / week
  • CSV upload
Get Started Free
Most Popular

Growth

$49/mo
  • Unlimited experiments
  • Unlimited users
  • Frequentist + Bayesian
  • Unlimited AI insights
  • CUPED & SRM checks
  • Priority email support
Start Free

Pro

$149/mo
  • Everything in Growth
  • REST API access
  • Up to 10 team members
  • Custom metric builder
  • Audit logs
  • Dedicated Slack support
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