GoodHabits: 66-Day Tracker
iOS app by Simon Bogutzky. Productivity · Simon Bogutzky
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 3.0.2
- Listing last refreshed
- 2026-09-16
View the original store listing
Store description excerpt
One habit, one 66-day arc – calm, with no noise. GoodHabits walks with you while you build a habit across a fixed arc of 66 logged days. The number comes from University College London research (Lally et al., 2010): there, the time until a new habit felt automatic was 66 days at the median – across a range of 18 to 254 days. So 66 is a reference point, not a finish line. Why an arc instead of endless streaks: - A manageable frame with a defined end, not a counter without a horizon - A grace day: a missed day can be logged until the end of the following day - Home Screen widgets – one glance is enough, and logging never opens the app - Calm progress display that keeps your completed days visible A good fit for: - Morning routines and healthy habits - Fitness and nutrition goals - Productivity and work habits - Mindfulness and self-care No tracking, no analytics SDKs, no account: your data stays on your device. If your habit still needs attention after 66 days, that is not failure – that is the spread the study actually reports.
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