---
title: "Day75: Hard Challenge Tracker - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 y"
---

# Day75: Hard Challenge Tracker — United States
> Build discipline. Daily.

![Day75 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/93/c3/f7/93c3f793-3c0b-755a-0246-6858c4511961/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [OKCOKER](https://apptail.io/developer/okcoker-YyFe)
**Category:** Health Fitness
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** com.okcoker.day75
**Store:** Apple App Store
**Country:** United States
**Version:** 1.4.2 (released 2026-09-29)
**Original Release:** 2026-05-09
**Languages:** English, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Chinese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6757592581)
**AppTail Page:** [https://apptail.io/app/day75-hard-challenge-tracker-jjFz/united-states](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/united-states)

## Day75 Description
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): 
Privacy Policy: 

## Day75 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c5/88/c7/c588c70d-0231-db7b-1d3d-697c8892e260/iphone-6.9-01.png/1260x2736.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a4/e5/27/a4e52729-b94a-b993-4c09-7a98757d9411/iphone-6.9-09.png/1260x2736.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5d/3a/9b/5d3a9bf5-1e31-c335-9ad9-dbd0a55a2ae6/iphone-6.9-02.png/1260x2736.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/cb/6d/a4/cb6da498-c5ed-4204-ee21-905bc248f923/iphone-6.9-03.png/1260x2736.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/2f/f2/67/2ff267b3-ef92-1e21-f231-c9eae9397ff0/iphone-6.9-04.png/1260x2736.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/47/df/1b/47df1b83-2118-cc56-d6a3-a103203bf208/iphone-6.9-05.png/1260x2736.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/56/2d/fc/562dfcb6-bedd-b1a8-d74f-ecba463019bb/iphone-6.9-06.png/1260x2736.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/28/02/28/280228e3-5a50-66d7-a155-681f628e7750/iphone-6.9-07.png/1260x2736.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5b/d0/83/5bd08334-b8c0-d409-b256-57a4fabad0ea/iphone-6.9-08.png/1260x2736.png)

## Day75 Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## Day75 In-App Purchases
| Item | Price |
|------|-------|
| Day75 Yearly | $29.99 |
| Day75 Monthly | $3.99 |




## Day75 Available In
- [United States](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/united-states)
- [Bermuda](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/bermuda)
- [Czechia](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/czechia)
- [Germany](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/germany)
- [Denmark](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/denmark)
- [United Kingdom](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/united-kingdom)
- [India](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/india)
- [Japan](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/japan)
- [Kenya](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/kenya)
- [South Korea](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/south-korea)
- [Luxembourg](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/luxembourg)
- [Netherlands](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/netherlands)
- [Nepal](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/nepal)
- [New Zealand](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/new-zealand)
- [Russia](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/russia)
- [Sweden](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/sweden)
- [Australia](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/australia)
- [South Africa](https://apptail.io/app/day75-hard-challenge-tracker-jjFz/south-africa)

---

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