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| Criterion |  Engineering Goal Question Metric |  Growth Pirate Metrics AARRR |  Growth Flywheel |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 90-180 min | 1-2 h Setup, laufend | 60-120 min | 1-2 h |
Participantsdifferent | 3-6 | 2-8 | 3-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | GQM Table, Metric Profiles | AARRR funnel, Metric baseline, Experiment backlog | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | MetricsMeasurementEngineeringAlignment | GrowthMetricsExperiments | GrowthRetentionConversion | GrowthMetricsAlignmentRetention |