# Hidden Button 2 vs Brain Master

The clearest difference is update cadence: Hidden Button 2 at weekly against Brain Master's fortnightly. Brain Master's advantage is iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hidden Button 2 ships an update weekly, Brain Master fortnightly. The most recent releases landed on June 3, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Hidden Button 2 | Brain Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-master-smarter-brain/id6447773986/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | — | Ad-supported |
| Size | 35 MB | 21 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Yimiao Information Technology Co., Ltd.](https://appshunter.io/developer/1619477257) | [Peikun Duan](https://appshunter.io/developer/1240254007) |

## What reviewers say

### Hidden Button 2

[App page](https://appshunter.io/ios/app/hidden-button-2/id1619476895)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Master

[App page](https://appshunter.io/ios/app/brain-master-smarter-brain/id6447773986)

Enhance your memory, observation, and cognitive skills with this engaging brain training game. It offers challenging puzzles like Memory Matrix and Identify Color to boost mental agility and focus. Compete globally on leaderboards and track your progress.

**Highlights:** Memory Matrix puzzles, Identify Color observation training, Boost mental agility and focus, Improve memory retention, Global leaderboard competition, New challenge modes and levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Button 2 free?

Hidden Button 2 is free to download, with no in-app purchases.

### Is Brain Master free?

Brain Master is free to download, with no in-app purchases.

### Do Hidden Button 2 or Brain Master have ads?

Both Hidden Button 2 and Brain Master show ads.

### Which is updated more often, Hidden Button 2 or Brain Master?

Hidden Button 2 ships an update weekly, and Brain Master fortnightly. Most recently, Hidden Button 2 was updated on June 3, 2026 and Brain Master on August 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.*