# Day75: Hard Challenge Tracker — Build discipline. Daily.

> Build discipline. Daily. (iPhone/iPad app by OKCOKER LLC.)

- Source: https://appshunter.io/ios/app/day75-hard-challenge-tracker/id6757592581 (this page in markdown: same URL + `.md`)
- Developer: [OKCOKER LLC](https://appshunter.io/developer/1180479091)
- Category: Health & Fitness, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 85 MB
- Languages: English
- Released: 2026-05-09
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/day75-hard-challenge-tracker/id6757592581/reviews.md

## What is Day75?

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)
- Reading log with page counter
- Progress photo journal with comparisons
- 75-day calendar to visualize your streak
- Daily reminders that keep you on track
- Adjust start dates retroactively

PREMIUM FEATURES
- Cloud photo backup across devices
- Up to 5 photos per day
- Custom challenge durations
- Create your own challenge rules
- Edit previous day entries
- Export challenge data (CSV format)
- Downloadable completion certificate

THE CHALLENGE:
- Two 45-minute workouts daily (one must be outdoors)
- Follow a diet of your choice (no cheat meals)
- 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, or creating a 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, and watch your transformation unfold—one disciplined 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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Day75 Monthly | $3.99 | per month |
| Day75 Yearly | $29.99 | per year |



## Version history (last 3 releases)

### 1.1.1 — 2026-05-12

Minor perf improvements and bug fixes

### 1.0.2 — 2026-05-11

Fix custom challenge buttons

### 1.0.0 — 2026-05-09

No release notes.

## More apps by OKCOKER LLC

- [Bookbag: Spades Scorekeeper](https://appshunter.io/ios/app/bookbag-spades-scorekeeper/id1478609691)

All apps by OKCOKER LLC: https://appshunter.io/developer/1180479091

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*