Write down your assumption, pick a small validation test, log what actually happens, and decide with confidence: continue, revise, or stop. All in one lightweight board that lives in your browser.
No account needed. Your workspace is saved on this device only.
From guesswork to a clear next decision, in four small steps.
Write the risky belief behind your idea and how you'll know if it holds up.
Define a lightweight validation method and a clear success criteria before you start.
Capture quotes, observations, and data points as they come in — no spreadsheet required.
Mark the test continue, revise, or stop, and move to the next idea with a clear head.
Evidence backs the assumption — keep building on it.
Partial signal — adjust the idea and run another small test.
Evidence says no — shelve it and protect your time for the next idea.