# 75 Day Challenge vs 75 Days

The clearest difference is ads: 75 Day Challenge at none against 75 Days's shown. 75 Day Challenge also leads on review sentiment (9% vs 0%) and iOS requirement (15.1 vs 17.0). 75 Days's advantage is update cadence (fortnightly vs every 6 weeks). On price, in-app purchases, monetization model and device support 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 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 fortnightly. The most recent releases landed on August 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 75 Day Challenge | 75 Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (16 ratings)](https://appshunter.io/ios/app/75-days-transform-challenge/id6584519577/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | **9.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 35 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nadezhda Tereshkova](https://appshunter.io/developer/1588884701) | [Ali Murad](https://appshunter.io/developer/1412644468) |

## 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

[App page](https://appshunter.io/ios/app/75-days-transform-challenge/id6584519577)

Embark on a 75-day journey to build mental toughness, discipline, and achieve personal growth. This app guides you through daily exercise, diet planning, hydration, reading, and progress tracking to transform your life.

**Highlights:** 75-day transformative journey, Daily exercise (two 45-min sessions, one outdoors), Customizable diet plan (no alcohol/cheat meals), Daily water intake tracking (1 gallon), Daily reading habit (10 pages non-fiction), Daily progress photos, Daily progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | 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 free?

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

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

75 Days shows ads; 75 Day Challenge does not.

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

75 Day Challenge ships an update every 6 weeks, and 75 Days fortnightly. Most recently, 75 Day Challenge was updated on August 1, 2026 and 75 Days on September 9, 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.*