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Preview 2 platforms
iPhone 4 images
iPad 4 images
What’s New Version 1.0.8
New updated screenshot previews of the app.
Description
Transform your life one habit at a time with 66 Challenge - the science-backed app that helps you build lasting habits in just 66 days.
WHY 66 DAYS?
Research shows it takes an average of 66 days to form a new habit. We've built the perfect system to guide you through every single day.
KEY FEATURES:
- Daily Habit Tracking - Mark your habits complete each day and watch your streak grow
- Progress Visualization - See your 66-day journey unfold with beautiful progress tracking
- Streak Protection - Stay motivated with streak counts and milestone celebrations
- Progress Photos - Capture your transformation with optional daily photos
- Friends & Social Feed - Follow friends, celebrate their wins, and stay accountable together
- Squads - Join or create groups to challenge habits together
- Achievements - Unlock badges as you hit milestones on your journey
- Reminders - Never miss a day with customizable notifications
BECOME UNDENIABLE
Whether you want to exercise daily, read more, meditate, or build any positive habit - 66 Challenge gives you the structure, motivation, and community to make it stick.
Start your 66-day transformation today.
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Terms of Use: https://spiffy-muskmelon-f8f.notion.site/Terms-of-Service-66-Challenge-2f456f682ccc8026ac42f9567c526f57
Privacy Policy: https://spiffy-muskmelon-f8f.notion.site/Privacy-Policy-66-Challenge-1e956f682ccc80f18d6ad0a347d8707f
Capabilities
In-App Purchases
Accessibility
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Version history 5 versions
Build 882540544v1.0.82026-02-17 22:19:59
New updated screenshot previews of the app.
Build 882369672v1.0.72026-02-12 21:34:49
More notification variety, performance improvements.
Build 882270108v1.0.52026-02-10 20:54:04
Bug fixes and performance improvements on day tracking.
Build 882225137v1.0.42026-02-06 18:47:01
Bug fixes and username improvements
Build 881827749v1.02026-02-05 17:48:54
No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.
Availability 1 of 1 storefronts
| Region | Language | Price | Ratings | Avg | Version |
|---|---|---|---|---|---|
US | en-US | Free | 5 | 5.0 | 1.0.8 |
Change log 9 changes · US
✎
releaseNotes updated
New updated screenshot previews of the app.
✎
description updated
Transform your life one habit at a time with 66 Challenge - the science-backed app that helps you build lasting habits in just 66 days.
WHY 66 DAYS?
Research s
✎
subtitle updated
Build habits in 66 days
✎
name updated
66 Challenge
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Version 1.0.8 released
New updated screenshot previews of the app.
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Version 1.0.7 released
More notification variety, performance improvements.
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Version 1.0.5 released
Bug fixes and performance improvements on day tracking.
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Version 1.0.4 released
Bug fixes and username improvements
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Version 1.0 released