This app helps you create and track multi-day challenges to build discipline and form habits. You can log daily check-ins, record totals, upload progress pictures, and write journal entries for each challenge. It offers flexibility to adjust challenges and syncs data across devices.
1.3
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.
More$7.99
Day by Day: Lifetime Premium
Lifetime Premium Access
The 90 Day Challenge app helps you create and track multi-day challenges of any length. You can log daily check-ins, record totals, upload progress pictures, and write journal entries to build discipline and form habits.
No, the 90 Day Challenge app does not contain advertisements. It is designed to be an ad-free experience for users focused on their challenges.
The 90 Day Challenge app is free to download and use. There are optional in-app purchases for premium features, but no subscription is required.
Yes, you can adjust your challenges as you go. The app allows you to add or remove days and make other adjustments to suit your needs.
Yes, the 90 Day Challenge app automatically backs up your data to iCloud and syncs across your devices. This ensures your progress is saved and accessible wherever you are.
Yes, the 90 Day Challenge app prioritizes complete privacy. All your data resides only on your device and in your iCloud account, with no login or account required.
The 90 Day Challenge app is currently supported on iPhones. It utilizes iCloud for backup and syncing across Apple devices.
The 90 Day Challenge app was last updated on July 14, 2025, with version 1.2.1. This indicates regular updates to improve functionality and add features.
