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| Criterion |  Growth A/B Testing |  Growth Pirate Metrics AARRR |  Product Strategy KPI Tree |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 90-180 min initial, dann laufend | 1-2 h |
Participantsdifferent | 1-6 | 2-8 | 3-8 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | AARRR funnel, Metric baseline, Experiment backlog | KPI Tree, Owner List | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | GrowthMetricsExperiments | MetricsStrategyAlignmentMeasurement | GrowthMetricsAlignmentRetention |