Check whether the conversion difference in your A/B test is significant (z-test, p-value) — or estimate in advance how much traffic each variant needs for the expected effect.
Runs in your browser — data is not sent to a serverSignificance uses a two-sided z-test for proportions. The default threshold is 95%: if the p-value is below 0.05, the difference is unlikely to be random. Sample size uses the classic formula for comparing two proportions.
All the core ad metrics from budget, impressions, clicks, and leads.
ROAS, ROI, and ROMI CalculatorAd payback: ROAS, ROMI, profit, and the break-even point.
CAC and LTV CalculatorAcquisition cost, lifetime value, and the LTV:CAC ratio.
Email Metrics CalculatorDelivery, open rate, CTR, CTOR, and unsubscribes from your send stats.
We'll collect and tidy up website data: prices, products, contacts, reviews — in the format and at the frequency you need.