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| Criterion |  Growth Pirate Metrics AARRR |  Product Discovery Landing Page Test |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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 a value proposition first needs to be checked for resonance, it condenses the idea onto a focused entry page. It shows whether language and offering carry interest. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-2 h Setup, laufend | 1-5 Tage | 25-40 min | 1-5 Tage |
Participantsdifferent | 2-8 | Nutzertraffic | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | AARRR funnel, Metric baseline, Experiment backlog | Landing Page, Conversion Data, Learning Summary | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | GrowthMetricsExperiments | ValidationConversionMarketing | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |