# 75 Day Challenge vs 75 Days Challenge

The clearest difference is update cadence: 75 Days Challenge at fortnightly against 75 Day Challenge's every 6 weeks. 75 Days Challenge also leads on review sentiment (20% vs 9%) and iOS requirement (12.4 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 75 Day Challenge sells 7 in-app purchases, starting at $1.99 per 7 days and 75 Days Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

75 Day Challenge ships an update every 6 weeks, 75 Days Challenge fortnightly. The most recent releases landed on August 1, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | 75 Day Challenge | 75 Days Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (15 ratings)](https://appshunter.io/ios/app/75-days-challenge/id6447800845/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 9.1% of reviews | **20.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 29 MB |
| Requires iOS | 15.1 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nadezhda Tereshkova](https://appshunter.io/developer/1588884701) | [Dmytro Shvaher](https://appshunter.io/developer/1774756591) |

## What reviewers say

### 75 Day Challenge

[App page](https://appshunter.io/ios/app/75-day-challenge/id1590868775)

This app guides users through a 75-day mental toughness challenge. It helps build consistency by tracking daily tasks and offers customization for diet and workout preferences. Users can also document their progress with photo galleries.

**Highlights:** 75-day mental toughness challenge, Track 6 daily non-negotiable tasks, Customizable diet and workout plans, Built-in habit tracking, Add custom habits, Full 75-day calendar view, Progress photo gallery

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 75 Day Challenge Premium | $1.99 | per 7 days |
| 75 Day Challenge Premium | $4.99 | per month |
| 75 Day Challenge | $4.99 | per month |
| 75 Day Challenge Premium | $9.99 | per year |
| 75 Day Challenge Premium | $19.99 | per 3 months |
| 75 Day Challenge Premium | $29.99 | per year |
| 75 Day Challenge Premium | $9.99 | one-time |


### 75 Days Challenge

[App page](https://appshunter.io/ios/app/75-days-challenge/id6447800845)

This app guides users through a 75-day personal growth journey focused on building mental toughness, self-discipline, and improving health. It helps track diet, exercise, water intake, reading, and daily progress photos.

**Highlights:** Customizable diet plan tracking, Daily exercise logging (indoor/outdoor), Water intake monitoring, Reading progress tracker, Daily progress photo documentation, Challenge reset reminder

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is 75 Day Challenge free?

75 Day Challenge is free to download, with in-app purchases available.

### Is 75 Days Challenge free?

75 Days Challenge is free to download, with in-app purchases available.

### Do 75 Day Challenge or 75 Days Challenge have ads?

Neither 75 Day Challenge nor 75 Days Challenge shows ads.

### Which is updated more often, 75 Day Challenge or 75 Days Challenge?

75 Day Challenge ships an update every 6 weeks, and 75 Days Challenge fortnightly. Most recently, 75 Day Challenge was updated on August 1, 2026 and 75 Days Challenge on August 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*