01 · A/B Test Calculator
Experimentation
Run statistically sound A/B tests without a statistics background. Compare means or proportions, get confidence intervals and p-values, and check whether the difference you care about is even detectable at the traffic you have.
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02 · Meeting Reality Check
Decision Quality
Estimate whether a meeting is likely to create more value than it consumes. See what it actually costs — per minute, per person, per year if it recurs — alongside a design score you can defend and concrete ways to make the meeting better.
Open Tool
03 · Working Style Cards
Working Styles
See how you tend to contribute at work — and what that costs you. Eight workplace situations map you to one of four archetypes, with your blind spot, what happens under pressure, and one concrete growth edge.
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Built by Grace Ge
Building systems for better decisions.