Free forever for personal experiments. Upgrade when you want more.
Everything you need to run rigorous personal experiments and contribute to community science.
Unlimited experiments and the full statistical toolkit — AIPW, mediation, sensitivity analysis, and more.
Pooled experiments
Pooled experiments contribute your anonymised outcomes to a shared dataset. In return, you get community posteriors — what worked for people like you — and your results sharpen with every new participant.
Pooling is on by default. Opt out of any experiment at any time — your analysis still works.
Private individual analysis
Your results, always private unless you choose to share.
Community posteriors
See what worked across participants running the same protocol.
Anonymised by default
Only aggregated outcomes are pooled — never names or identifiers.
Any experiment you run solely on yourself with private data. Pooled experiments — where outcomes are anonymously shared — are always free and unlimited.
Latin square and adaptive designs that go beyond simple A/B or crossover. Especially powerful for interventions with carry-over effects or more than two conditions.
It reads your active experiments and the scientific literature corpus (3,000+ papers), then suggests 3 experiments you haven't tried yet and gives you one concrete action for today. It's grounded in research, not generic advice. Pro only — results are cached so you're not billed per refresh.
Doubly-robust AIPW estimation, mediation analysis (direct + indirect effects), E-value sensitivity analysis, and full causal graph inference.
Yes. Monthly plans cancel at the end of the billing period. Annual plans are non-refundable but you keep access until the year ends.
Your data is always yours. If you exceed the free tier limit, existing experiments remain readable — you just can't create new personal ones beyond 15.
15 personal experiments + unlimited pooled. No credit card required.
Create free account