# MusTerra vs My Ruler AR Digital

The clearest difference is iOS requirement: MusTerra at 16.0 against My Ruler AR Digital's 18.2. 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 | MusTerra | My Ruler AR Digital |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Weekly | — |
| Size | 138 MB | 6 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | **iPhone** | — |
| Age rating | 4+ | 9+ |
| Developer | [MUST GmbH](https://appshunter.io/developer/1800343476) | [MERCY WANYONYI](https://appshunter.io/developer/1854284981) |

## What reviewers say

### MusTerra

[App page](https://appshunter.io/ios/app/musterra/id6742859340)

**Features:** macOS Compatibility

**In-app purchases:** none


### My Ruler AR Digital

[App page](https://appshunter.io/ios/app/my-ruler-ar-digital/id6761084227)

**In-app purchases:** none


## Frequently asked questions

### Is MusTerra free?

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

### Is My Ruler AR Digital free?

My Ruler AR Digital is free to download, with no in-app purchases.

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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.*