Day75: Hard Challenge Tracker

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Everyone
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Everyone
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About this app

🔥 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

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.
75-day challenge: workouts, diet, water, reading, photos. Build discipline daily
Updated on
Jul 19, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Health and fitness and 4 others
Data is encrypted in transit
You can request that data be deleted

What’s new

- Add additional locales
- Bug fixes
Content rating
Everyone
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App support

About the developer
Okcoker LLC
contact@okcoker.com
1602 Frankford Ave Unit 29272 Philadelphia, PA 19125 United States
+1 215-703-7732

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