# Muscle Stack vs Workout Master

The clearest difference is in-app purchases: Muscle Stack at none against Workout Master's 9. Workout Master's advantage is update cadence (every 6 days vs every 29 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Workout Master sells 9 one-off in-app purchases. Muscle Stack asks for nothing beyond the download.

Muscle Stack ships an update every 29 months, Workout Master every 6 days. The most recent releases landed on September 21, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Muscle Stack | Workout Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 29 months | **Every 6 days** |
| Size | 84 MB | 284 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Ngo Hanh](https://appshunter.io/developer/1672784583) |

## What reviewers say

### Muscle Stack

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Workout Master

[App page](https://appshunter.io/ios/app/workout-master-strongest-man/id6465176293)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Double Income | $4.99 | one-time |
| Mini Pack | $4.99 | one-time |
| Gold MemberShip | $9.99 | one-time |
| Booster Pack | $9.99 | one-time |
| Pro Pack | $19.99 | one-time |
| Ultra Pack | $49.99 | one-time |
| Royal Pack | $99.99 | one-time |


## Frequently asked questions

### Is Muscle Stack free?

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

### Is Workout Master free?

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

### Do Muscle Stack or Workout Master have ads?

Both Muscle Stack and Workout Master show ads.

### Which is updated more often, Muscle Stack or Workout Master?

Muscle Stack ships an update every 29 months, and Workout Master every 6 days. Most recently, Muscle Stack was updated on September 21, 2026 and Workout Master on May 14, 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.*