90 Day Challenge : Day by Day
treebetty LLC Lifestyle iPhoneiPadiPod touch
90 Day Challenge : Day by Day is a free Lifestyle app for iPhone and iPad by treebetty LLC. Rated 4.7/5 from 33 ratings. Requires iOS 17.5.
- Rating
- 4.7
- 33 ratings
- Price
- Free
- on the App Store
- Size
- 36 MB
- Age 4+
- Updated
- Oct 19
- 2026 · v1.3
Screenshots
About 90 Day Challenge : Day by Day
Day by Day helps you create and track Multi-Day Challenges. Create 90-Day, 30-Day, 21-Day, 7-Day, Any-Day challenges. Why do a Multi-Day Challenges? - They help you develop discipline and consistency. - They’re a finite length of time giving you a mental end goal. - The daily repetition is habit forming. - Challenges often gets easier as you progress. - Challenges can help you get closer to a bigger goal. Day by Day lets you track 4 things with each Challenge. Track with one or track with all: 1. Daily Check-In: Just tap the day if you did it. 2. Daily Total: Enter reps, weights, personal records, words, sales, money, anything after every check-in. 3. Progress Pictures: Upload a photo after every check-in. 4. Journal Entries: Enter your thoughts or notes after every check-in Day by Day Features:------------- - Multi-Day Challenges of ANY length - Adjust a Challenge as you go. Add days. Remove days. Adjust in a way that works best for you. - Daily Check-ins - Daily Totals - Daily Progress Pictures - Daily Journal Entries - Daily Reminder for each Challenge - Easily share progress with friends, family, accountability partners - Automatic iCloud Backup - Sync across devices via iCloud - No subscription required - No login or account required - Complete privacy. All data resides only on your device and in your iCloud account. Day by Day Premium:------------- - Unlimited Challenges - Unlimited Check-Ins - Unlimited Journal Entries - Unlimited Daily Reminders - Auto-Backup to iCloud - Sync Across Devices - No Subscription Required - No Login or Account Required
Ratings & reviews
4.7
33 ratings
What’s new
Version 1.3 · Updated October 19, 2026
Small improvements to help you stay consistent, one day at a time! • Plan ahead: Challenges with future start dates now appear on your Home screen. • Better daily reminders: Improved reminder setup and fixed an issue that could interrupt challenge creation. • Smoother challenge endings: Updated the options and messaging when a challenge reaches its end date, with fewer interruptions when opening the app. • Refreshed Pro screen: Clearer benefits, with the same one-time lifetime purchase. No subscriptions! • Bug fixes and improvements: Behind-the-scenes updates for a smoother experience. Keep going. Keep growing. Every day counts. Enjoying Day by Day? Consider leaving a rating! Your support means a lot and helps keep this one-person development team going.
App privacy
The developer, treebetty LLC, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data
Used for: Analytics, App Functionality
Alternatives to 90 Day Challenge : Day by Day
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 90 Day Challenge : Day by Day | 4.7 / 5 (33 ratings) | Free | October 19, 2026 | |
| Challenge tracker | 4.0 / 5 (42) | Free | Aug 10, 2025 | Compare |
| Quit Day | Bad Habit Breaker | 4.9 / 5 (21) | Free | Jul 22, 2024 | Compare |
| NoBeep: Quit Porn* No Nut 2025 | 4.9 / 5 (89) | Free | Apr 1, 2026 | Compare |
| Iron Will: Quit your addiction | 4.8 / 5 (1,198) | Free | Mar 26, 2026 | Compare |
| 75 Day Challenge - Hard & Soft | 4.7 / 5 (545) | Free | Sep 4, 2026 | Compare |
| The 21 Days Challenge | 4.7 / 5 (567) | Free | Oct 17, 2026 | Compare |