# Memory Training vs Hidden Button 2

The clearest difference is iOS requirement: Memory Training at 10.0 against Hidden Button 2's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Memory Training ships an update every 9 days, Hidden Button 2 weekly. The most recent releases landed on September 7, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Memory Training | Hidden Button 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/memory-training-have-fun/id1271405913/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 20 MB | 35 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peikun Duan](https://appshunter.io/developer/1240254007) | [Chengdu Yimiao Information Technology Co., Ltd.](https://appshunter.io/developer/1619477257) |

## What reviewers say

### Memory Training

[App page](https://appshunter.io/ios/app/memory-training-have-fun/id1271405913)

This brain-training game challenges you to remember the quantity and direction of colored ducks. Test your memory against the clock and see if you can beat a first grader's score. It's easy to learn but difficult to master, offering addictive gameplay for all ages.

**Highlights:** Remember duck colors and directions, Timed challenges, Bonus points for speed, Cute duck characters, Compete via Game Center

**Features:** macOS Compatibility

**In-app purchases:** none


### Hidden Button 2

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memory Training free?

Memory Training is free to download, with no in-app purchases.

### Is Hidden Button 2 free?

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

### Do Memory Training or Hidden Button 2 have ads?

Both Memory Training and Hidden Button 2 show ads.

### Which is updated more often, Memory Training or Hidden Button 2?

Memory Training ships an update every 9 days, and Hidden Button 2 weekly. Most recently, Memory Training was updated on September 7, 2026 and Hidden Button 2 on June 3, 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.*