# RotaStone vs Shiftmate

The clearest difference is ads: Shiftmate at none against RotaStone's shown. RotaStone's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price 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.

## The numbers

| Metric | RotaStone | Shiftmate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 60 MB | 1 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [radiuthree Co., Ltd](https://appshunter.io/developer/1158448737) | [Andreas Rutsch](https://appshunter.io/developer/6806283288) |

## What reviewers say

### RotaStone

[App page](https://appshunter.io/ios/app/rotastone/id1619250280)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shiftmate

[App page](https://appshunter.io/ios/app/shiftmate-brain-match-3/id6815859476)

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

**In-app purchases:** none


## Frequently asked questions

### Is RotaStone free?

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

### Is Shiftmate free?

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

### Do RotaStone or Shiftmate have ads?

RotaStone shows ads; Shiftmate does not.

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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.*