# Unity Run vs Muscle Stack

The clearest difference is ads: Unity Run at none against Muscle Stack's shown. Unity Run also leads on update cadence (every 8 days vs every 29 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unity Run ships an update every 8 days, Muscle Stack every 29 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Unity Run | Muscle Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 29 months |
| Size | 77 MB | 84 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Can Yildiz](https://appshunter.io/developer/1382566256) | [omer cetin](https://appshunter.io/developer/1584332419) |

## What reviewers say

### Unity Run

[App page](https://appshunter.io/ios/app/unity-run/id1549920868)

**Features:** macOS Compatibility

**In-app purchases:** none


### Muscle Stack

[App page](https://appshunter.io/ios/app/muscle-stack/id1604565712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unity Run free?

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

### Is Muscle Stack free?

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

### Do Unity Run or Muscle Stack have ads?

Muscle Stack shows ads; Unity Run does not.

### Which is updated more often, Unity Run or Muscle Stack?

Unity Run ships an update every 8 days, and Muscle Stack every 29 months. Most recently, Unity Run was updated on September 13, 2026 and Muscle Stack on September 21, 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.*