66 Challenge
Moad Ghajjate El Fal Productivity iPhoneiPadiPod touch
66 Challenge is a free Productivity app for iPhone and iPad by Moad Ghajjate El Fal. Rated 5.0/5 from 5 ratings. Requires iOS 13.0. Updated August 25, 2026.
- Rating
- 5.0
- 5 ratings
- Price
- Free
- on the App Store
- Size
- 18 MB
- Age 12+
- Updated
- Aug 25
- 2026 · v1.1.1
Screenshots
About 66 Challenge
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. --- 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
Ratings & reviews
5.0
5 ratings
What’s new
Version 1.1.1 · Updated August 25, 2026
Fixed a bug where the day could advance twice in one evening. Reminders now stay on after reinstalling. New share card. Badges now reward your longest streak.
App privacy
The developer, Moad Ghajjate El Fal, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address, Name
- Identifiers: User ID
- Usage Data: Product Interaction
- Purchases: Purchase History
- User Content: Photos or Videos, Other User Content
Used for: Analytics, App Functionality
Alternatives to 66 Challenge
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 66 Challenge | 5.0 / 5 (5 ratings) | Free | August 25, 2026 | |
| TripleWhale | 2.6 / 5 (36) | Free | Oct 22, 2026 | Compare |
| Ripples: Habit Tracker | 4.7 / 5 (235) | Free | Oct 19, 2026 | Compare |
| Easlo Experiments | 4.6 / 5 (24) | Free | Aug 27, 2026 | Compare |
| Monke - Habit Game | 4.8 / 5 (1,976) | Free | Sep 28, 2026 | Compare |
| Left: Widgets for Time Left | 4.6 / 5 (469) | Free | Oct 24, 2026 | Compare |
| SyncTasks | 4.6 / 5 (356) | Free | Sep 24, 2026 | Compare |
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