Founder worksheet · manual evidence
Measure useful
activation.
Use confirmed records from one source and cohort. This worksheet runs locally in your browser and sends no entries. Campaign links do not establish native install attribution.
Unknown stays unknown.
Do not mix website visitors with all app activity. If installs or purchases cannot be tied to the same experiment, use the downloadable log to record separate counts and limitations.
Optional product counters describe consenting installations. Review paid renewal and normalised revenue separately with provider records; annual subscriptions contribute one twelfth each month. Small samples do not establish PMF.