# Learn Quaternions vs EdT365 Rust Playground

The clearest difference is iOS requirement: Learn Quaternions at 13.5 against EdT365 Rust Playground's 17.0. 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 | Learn Quaternions | EdT365 Rust Playground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/learn-quaternions/id1560497809/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | Free | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **13.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grant Jarvis](https://appshunter.io/developer/1475033835) | [Edtech365 Solutions Viet Nam](https://appshunter.io/developer/6788321475) |

## What reviewers say

### Learn Quaternions

[App page](https://appshunter.io/ios/app/learn-quaternions/id1560497809)

Explore the abstract mathematical concept of quaternions through an interactive, visual experience. Manipulate rotation angles and axes with sliders and touch gestures to understand their behavior in a fun and engaging way.

**Highlights:** Visual quaternion exploration, Interactive sliders for rotation, 3D scene manipulation via touch, Fun and engaging learning method, Built with RealityKit

**Features:** macOS Compatibility

**In-app purchases:** none


### EdT365 Rust Playground

[App page](https://appshunter.io/ios/app/edt365-rust-playground/id6788741388)

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Quaternions free?

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

### Is EdT365 Rust Playground free?

EdT365 Rust Playground is free to download, with no in-app purchases.

### Do Learn Quaternions or EdT365 Rust Playground have ads?

Neither Learn Quaternions nor EdT365 Rust Playground 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.*