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| Criterion |  Growth Pirate Metrics AARRR |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | For products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h Setup, laufend | 1-5 Tage | 45-75 min | 25-40 min |
Participantsdifferent | 2-8 | Nutzertraffic | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | AARRR funnel, Metric baseline, Experiment backlog | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan | Learning Card with evidence and next action |
Tags1 shared | GrowthMetricsExperiments | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryLearning |