# DualSide vs Merge Stack

The clearest difference is in-app purchases: Merge Stack at none against DualSide's 1. DualSide's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

DualSide ships an update every 3 weeks, Merge Stack every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | DualSide | Merge Stack |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 238 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vikas Pawar](https://appshunter.io/developer/1588876306) | [Kite Games](https://appshunter.io/developer/1878111512) |

## What reviewers say

### 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 |


### Merge Stack

[App page](https://appshunter.io/ios/app/merge-stack-color-block/id6788709551)

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

**In-app purchases:** none


## Frequently asked questions

### Is DualSide free?

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

### Is Merge Stack free?

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

### Do DualSide or Merge Stack have ads?

Both DualSide and Merge Stack show ads.

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

DualSide ships an update every 3 weeks, and Merge Stack every 2 months. Most recently, DualSide was updated on October 31, 2026 and Merge Stack 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.*