# Double Dozen vs Brain Rush

The clearest difference is price: Double Dozen at Free against Brain Rush's $0.99. Brain Rush's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Double Dozen is free to download; Brain Rush costs $0.99 up front. Double Dozen sells 1 one-off in-app purchase. Brain Rush asks for nothing beyond the download.

Double Dozen ships an update every 2 weeks, Brain Rush every 4 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Double Dozen | Brain Rush |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 16 MB | 6 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Riddim Software Corporation](https://appshunter.io/developer/486210276) | [Shenyang Yuzu Technology Co., Ltd](https://appshunter.io/developer/1845797307) |

## What reviewers say

### Double Dozen

[App page](https://appshunter.io/ios/app/double-dozen-tap-speed-game/id1614154786)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Brain Rush

[App page](https://appshunter.io/ios/app/brain-rush-mental-arithmetic/id6754001219)

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

**In-app purchases:** none


## Frequently asked questions

### Is Double Dozen free?

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

### Is Brain Rush free?

Brain Rush costs $0.99, with no in-app purchases.

### Do Double Dozen or Brain Rush have ads?

Double Dozen shows ads; Brain Rush does not.

### Which is updated more often, Double Dozen or Brain Rush?

Double Dozen ships an update every 2 weeks, and Brain Rush every 4 days. Most recently, Double Dozen was updated on November 7, 2026 and Brain Rush on October 30, 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.*