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| Criterion | ![]() Product Discovery Opportunity Solution Tree | ![]() Operations Ivy Lee Method | ![]() Operations ALPEN Method | ![]() Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 h Setup, laufend | 5-10 min daily | 10-20 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 2-6 | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | DiscoveryOutcomesExperimentsOpportunity | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations | ProductivityPlanningTasksExecution |



