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| Criterion |  Knowledge Modeling PARA Method |  Growth Pirate Metrics AARRR |  Growth North Star Metric |  Growth Flywheel |
|---|---|---|---|---|
Purposedifferent | The PARA Method organizes knowledge into Projects, Areas, Resources, and Archives. It creates order when digital notes, files, and tasks no longer cleanly fit current work. | 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 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-3 h Setup, laufend | 1-2 h Setup, laufend | 1-2 h | 60-120 min |
Participantsdifferent | 1 | 2-8 | 3-8 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | AARRR funnel, Metric baseline, Experiment backlog | North Star metric, Input metric tree, Measurement cadence | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog |
Tagsno overlap | KnowledgeProductivityOrganization | GrowthMetricsExperiments | GrowthMetricsAlignmentRetention | GrowthRetentionConversion |