# Percussion Dictionary vs ER3D Euler Rotations in 3D

The clearest difference is iOS requirement: Percussion Dictionary at 16.0 against ER3D Euler Rotations in 3D's 18.0. On price, ads, 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.

## The numbers

| Metric | Percussion Dictionary | ER3D Euler Rotations in 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 9 MB | 114 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Hunt](https://appshunter.io/developer/615350697) | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) |

## What reviewers say

### Percussion Dictionary

[App page](https://appshunter.io/ios/app/percussion-dictionary/id6451499816)

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

**In-app purchases:** none


### ER3D Euler Rotations in 3D

[App page](https://appshunter.io/ios/app/er3d-euler-rotations-in-3d/id6741169432)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Percussion Dictionary free?

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

### Is ER3D Euler Rotations in 3D free?

ER3D Euler Rotations in 3D is free to download, with no in-app purchases.

### Do Percussion Dictionary or ER3D Euler Rotations in 3D have ads?

Neither Percussion Dictionary nor ER3D Euler Rotations in 3D shows ads.

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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.*