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| Criterion |  Growth Growth Experiment |  Growth North Star Metric |  Product Strategy Counter Metrics |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | When growth ideas surface quickly, the temptation to build immediately instead of learning is high. A Growth Experiment frames an assumption so target group, lever, and measurement are clear before the first deployment. | 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. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-2 Wochen | 1-2 h | 30-60 min | 1-2 h Setup, laufend |
Participantsdifferent | 1-6 | 3-8 | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Experiment card, Result summary, Next bet | North Star metric, Input metric tree, Measurement cadence | Counter Metric List, Guardrail Definitions | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | MarketingGrowthExperimentsLearning | GrowthMetricsAlignmentRetention | MetricsMeasurementStrategyExperiments | GrowthMetricsExperiments |