# Spear Rush vs Muscle Stack

The clearest difference is in-app purchases: Muscle Stack at none against Spear Rush's 1. Spear Rush's advantage is update cadence (every 6 weeks vs every 29 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spear Rush sells 1 one-off in-app purchase. Muscle Stack asks for nothing beyond the download.

Spear Rush ships an update every 6 weeks, Muscle Stack every 29 months. The most recent releases landed on September 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Spear Rush | Muscle Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 29 months |
| Size | 59 MB | 84 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JoyBox](https://appshunter.io/developer/1389770266) | [omer cetin](https://appshunter.io/developer/1584332419) |

## What reviewers say

### Spear Rush

[App page](https://appshunter.io/ios/app/spear-rush/id1544083503)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### Muscle Stack

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spear Rush free?

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

### Is Muscle Stack free?

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

### Do Spear Rush or Muscle Stack have ads?

Both Spear Rush and Muscle Stack show ads.

### Which is updated more often, Spear Rush or Muscle Stack?

Spear Rush ships an update every 6 weeks, and Muscle Stack every 29 months. Most recently, Spear Rush was updated on September 25, 2026 and Muscle Stack on October 8, 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.*