# 75 Days Challenge vs Couch25K

The clearest difference is in-app purchases: Couch25K at none against 75 Days Challenge's 1. 75 Days Challenge's advantage is ads (none vs shown) and iOS requirement (12.4 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 75 Days Challenge sells 1 one-off in-app purchase. Couch25K asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 75 Days Challenge | Couch25K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (46 ratings)](https://appshunter.io/ios/app/75-days-challenge-tracker/id6451491151/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 8 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Muhammed Asaad Nadeem](https://appshunter.io/developer/1601934665) | [Eric Brooks](https://appshunter.io/developer/6787730837) |

## What reviewers say

### 75 Days Challenge

[App page](https://appshunter.io/ios/app/75-days-challenge-tracker/id6451491151)

This app guides users through a 75-day fitness and mental resilience challenge. It offers comprehensive workout routines, progress tracking, and features to build discipline and self-confidence. It also includes options for the 75 Soft Challenge and group fitness.

**Highlights:** Comprehensive fitness routines, Progress tracking, Discipline building, Mental resilience development, Habit creation, 75 Soft Challenge integration, Accountability partner

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 75 Day Challenge | $4.99 | one-time |


### Couch25K

[App page](https://appshunter.io/ios/app/couch25k/id6791901000)

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

**In-app purchases:** none


## Frequently asked questions

### Is 75 Days Challenge free?

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

### Is Couch25K free?

Couch25K is free to download, with no in-app purchases.

### Do 75 Days Challenge or Couch25K have ads?

Couch25K shows ads; 75 Days Challenge does not.

### Which is updated more often, 75 Days Challenge or Couch25K?

75 Days Challenge ships an update every 3 weeks, and Couch25K every 3 weeks. Most recently, 75 Days Challenge was updated on October 24, 2026 and Couch25K on October 25, 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.*