# FitSpace vs Diet Challenge

The clearest difference is iOS requirement: Diet Challenge at 15.0 against FitSpace's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FitSpace sells 10 one-off in-app purchases and Diet Challenge sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

FitSpace ships an update every 5 days, Diet Challenge every 4 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | FitSpace | Diet Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 63 MB | 23 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Novoloake](https://appshunter.io/developer/1535207200) | [Ahmet Muhammet Vural (AN)](https://appshunter.io/developer/1571264727) |

## What reviewers say

### FitSpace

[App page](https://appshunter.io/ios/app/fitspace-expert-courses/id6745267698)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Course Access | $99.99 | one-time |
| Course Access | $119.99 | one-time |
| Course Access | $149.99 | one-time |
| Course Access | $199.99 | one-time |
| Course Access | $249.99 | one-time |
| Course Access | $299.99 | one-time |
| Course Access | $399.99 | one-time |
| Course Access | $499.99 | one-time |
| Course Access | $749.99 | one-time |
| Course Access | $999.99 | one-time |


### Diet Challenge

[App page](https://appshunter.io/ios/app/diet-challenge/id6761604499)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is FitSpace free?

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

### Is Diet Challenge free?

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

### Do FitSpace or Diet Challenge have ads?

Neither FitSpace nor Diet Challenge shows ads.

### Which is updated more often, FitSpace or Diet Challenge?

FitSpace ships an update every 5 days, and Diet Challenge every 4 days. Most recently, FitSpace was updated on October 9, 2026 and Diet Challenge on October 12, 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.*