3weeks -plan habit, goal, life
iOS app by SunHyeob Kim. Productivity · SunHyeob Kim
- Store rating
- 4 / 5
- Store rating count
- 1
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.2.2
- Listing last refreshed
- 2026-09-18
View the original store listing
Store description excerpt
Just 21 days can change your life. Have you ever started a new habit with full motivation, only to give up a few days later? Diet plans abandoned, workout routines forgotten, study schedules ignored. If this sounds familiar, you are not alone — and it is not your fault. The problem is not willpower. The problem is not having the right system. Science has proven it: it takes a minimum of 21 days of consistent repetition for a new behavior to become hardwired into the brain as a habit. Just 3 weeks. Repeat an action every single day for 21 days, and it stops feeling like effort — it becomes a natural part of your life. 3weeks is a habit-building planner app built on exactly this principle. [ Why 3weeks Is Different ] There are plenty of habit apps out there. 3weeks is not just another checklist. It is a motivation system engineered to keep you going for the full 21 days — and beyond. - 21-Day Challenge System The moment you add a habit, your 21-day countdown begins. Did you do it today? One tap to check in and your progress is recorded. Simple, powerful, and designed to rewire your brain one day at a time. - Streak Tracking That Keeps You Hooked There is something deeply satisfying about watching your streak grow. Day 3, day 7, day 14 — as the number climbs, so does your confidence. You will find yourself not wanting to break the chain. That psychological pull is one of the most effective tools for building lasting habits, and it is built right into 3weeks. - Log Your Day, Every Day When you check in, record how you felt and rate your performance. Attach a photo or video — a selfie after your workout, a snapshot of your study notes, a picture of your healthy meal. These small records stack up into a personal timeline of growth. Looking back weeks later and seeing how far you have come is one of the most powerful motivators there is. - Earn Badges, Celebrate Your Progress Complete 7 days in a row and earn the Sprout badge. Finish all 21 days and unlock the Flame badge. Push further to 60 or 90 days for even rarer achievements. Check in before 6 AM and you are an Early Bird. Document your journey with photos and become a Documenter. These small, tangible rewards make the habit-building process genuinely enjoyable. - See Your Growth in Stats and Charts The calendar view shows your check-in history at a glance. Weekly pattern graphs, mood trend charts, average achievement rates — all in one place. Seeing your progress as real data makes the next challenge feel achievable and gives you the confidence to keep going. - Smart Reminders So You Never Forget Set a daily notification at the time that works best for you. That one alert at the same time every day is often all it takes to lock in your routine. Routine builds habit. Habit builds the life you want. [ Who 3weeks Is For ] Anyone who has tried to diet but quit after the first week. Anyone who wants to build a consistent workout routine. Students and professionals who need a d
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