# Muscle Stack vs DualSide

The clearest difference is in-app purchases: Muscle Stack at none against DualSide's 1. Muscle Stack also leads on iOS requirement (12.0 vs 15.6). DualSide's advantage is update cadence (every 3 weeks vs every 29 months). On price, ads and device support there is nothing between them.

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

Muscle Stack ships an update every 29 months, DualSide every 3 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Muscle Stack | DualSide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dualside/id6759185432/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 29 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 84 MB | 65 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Vikas Pawar](https://appshunter.io/developer/1588876306) |

## What reviewers say

### Muscle Stack

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DualSide

[App page](https://appshunter.io/ios/app/dualside/id6759185432)

A fast-paced reaction game focused on timing and precision. Flip your paddle to match colors and keep the rally going. Compete with friends and climb global leaderboards in this skill-based, minimalist experience.

**Highlights:** One-tap paddle flipping, Endless rally gameplay, Global leaderboard competition, Head-to-head challenges, Seamless iCloud sync, Minimalist design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Muscle Stack free?

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

### Is DualSide free?

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

### Do Muscle Stack or DualSide have ads?

Both Muscle Stack and DualSide show ads.

### Which is updated more often, Muscle Stack or DualSide?

Muscle Stack ships an update every 29 months, and DualSide every 3 weeks. Most recently, Muscle Stack was updated on October 25, 2026 and DualSide on October 31, 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.*