# MemTrainer vs 四色拼图

The clearest difference is ads: 四色拼图 at none against MemTrainer's shown. 四色拼图 also leads on update cadence (every 2 days vs every 57 months) and iOS requirement (9.0 vs 11.0). On price, 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.

MemTrainer ships an update every 57 months, 四色拼图 every 2 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MemTrainer | 四色拼图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 57 months | **Every 2 days** |
| Size | 8 MB | 19 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POK](https://appshunter.io/developer/357275870) | [小珍 廉](https://appshunter.io/developer/1523309672) |

## What reviewers say

### MemTrainer

[App page](https://appshunter.io/ios/app/memtrainer/id506423958)

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

**In-app purchases:** none


### 四色拼图

[App page](https://appshunter.io/ios/app/id1525166814)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MemTrainer free?

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

### Is 四色拼图 free?

四色拼图 is free to download, with no in-app purchases.

### Do MemTrainer or 四色拼图 have ads?

MemTrainer shows ads; 四色拼图 does not.

### Which is updated more often, MemTrainer or 四色拼图?

MemTrainer ships an update every 57 months, and 四色拼图 every 2 days. Most recently, MemTrainer was updated on November 1, 2026 and 四色拼图 on November 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.*