

309 System
HabitTracker Dailly habits Habits building Consistency
309 System이란?
I struggled to stay consistent, especially while learning English and French. I’d start strong, then quit. So I built a simple system called 309: 3 days to start, 1 day to reset, 9 days to go deeper. I tested it on myself, and for the first time, I didn’t quit. Now it’s a small app. I’d love your feedback. Link active until May 4, 2026.
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