# Baselproblem vs Learn Quaternions

The clearest difference is iOS requirement: Learn Quaternions at 13.5 against Baselproblem's 15.0. 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 | Baselproblem | Learn Quaternions |
| --- | --- | --- |
| 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 11 months | — |
| Monetization | — | Free |
| Size | 0 MB | 2 MB |
| Requires iOS | 15.0 | **13.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Horvath](https://appshunter.io/developer/1484572340) | [Grant Jarvis](https://appshunter.io/developer/1475033835) |

## What reviewers say

### Baselproblem

[App page](https://appshunter.io/ios/app/baselproblem/id1484572342)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Baselproblem free?

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

### Is Learn Quaternions free?

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

### Do Baselproblem or Learn Quaternions have ads?

Neither Baselproblem nor Learn Quaternions 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.*