Day75: Hard Challenge Tracker
Build discipline. Daily.
Free · In‑App Purchases
A 75-day mental toughness challenge that transforms your discipline one day at a time. This isn't about motivation—it's about keeping promises to yourself.
Track your journey with an app that keeps you accountable. Complete two 45-minute workouts (one outdoors), follow your chosen diet, drink a gallon of water, read at least 10 pages, and take a progress photo. Every single day, for 75 days.
CORE FEATURES
- Daily checklist for all 6 tasks
- Smart countdown timer to your daily reset
- Water intake tracker (128 oz daily goal default)
- Reading log with book title and page counter
- Progress photo journal with side-by-side comparisons
- 75-day calendar with monthly and weekly views
- Daily reminders, milestone alerts, and streak notifications
- Challenge variants: Hard, Medium, and Soft modes
- Daily notes to journal your progress
- Challenge analytics and completion stats
- Share your achievements with custom progress images
PREMIUM FEATURES
- Cloud photo backup and sync across devices
- Up to 5 photos per day
- Custom challenge durations
- Create your own challenge rules and tasks
- Edit previous day entries
- Adjust start dates retroactively
- Photo timelapse generation with export options
- Health snapshot and trends dashboard
- Export challenge data (CSV format)
- Downloadable PDF completion certificate
- Unlimited grace periods for missed days
- Unlimited challenge history
- Access to community workout links
- Group challenges with friends
THE CHALLENGE:
- Two 45-minute workouts daily (one must be outdoors)
- Follow a diet of your choice (no cheat meals, no alcohol)
- Drink 1 gallon (128 oz) of water
- Read at least 10 pages of a non-fiction book (no audiobooks)
- Take a daily progress photo
- Miss any task? Restart from Day 1
Built for those who understand that discipline isn't negotiable. Whether you're tackling the full 75 days in Hard mode, easing in with Medium or Soft mode, or building a completely custom challenge—this app tracks every task, logs every check mark, and holds you accountable when it's easier to quit.
PERFECT FOR:
- Building consistent daily habits
- Mental toughness training
- Fitness transformations
- Accountability partners
- Challenge communities
- Personal development journeys
Track your water intake, log your reading, store your progress photos, generate a time-lapse of your transformation, and watch your discipline compound—one day at a time.
This app won't motivate you. It'll just show you exactly where you stand. The rest is up to you.
Ready to commit? Download now and start your 75-day transformation.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://day75.com/privacy/
Ratings & Reviews
- Added beta opt-in setting
- Added Messaging preference setting
- Bug fixes
The developer, OKCOKER LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Health & Fitness
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- OKCOKER LLC
- Size
- 122.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
English and 11 more
- English, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Messaging and Chat
- In-App Purchases
Yes
- Day75 Monthly $3.99
- Day75 Yearly $29.99
- Copyright
- © OKCOKER LLC
