# MemTrainer vs Colors Rotation

MemTrainer and Colors Rotation are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Colors Rotation every 46 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MemTrainer | Colors Rotation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 57 months | **Every 46 months** |
| Size | 8 MB | 55 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POK](https://appshunter.io/developer/357275870) | [ZIROTEK Corp.](https://appshunter.io/developer/1209821727) |

## What reviewers say

### MemTrainer

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

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

**In-app purchases:** none


### Colors Rotation

[App page](https://appshunter.io/ios/app/colors-rotation/id1242547066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MemTrainer free?

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

### Is Colors Rotation free?

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

### Do MemTrainer or Colors Rotation have ads?

Both MemTrainer and Colors Rotation show ads.

### Which is updated more often, MemTrainer or Colors Rotation?

MemTrainer ships an update every 57 months, and Colors Rotation every 46 months. Most recently, MemTrainer was updated on October 4, 2026 and Colors Rotation on October 5, 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.*