# Learn Mathematics [PRO] vs GetPrincipia

The clearest difference is price: GetPrincipia at Free against Learn Mathematics [PRO]'s $1.99. GetPrincipia also leads on ads (none vs shown). Learn Mathematics [PRO]'s advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.1). On device support there is nothing between them.

GetPrincipia is free to download; Learn Mathematics [PRO] costs $1.99 up front. GetPrincipia sells 2 in-app purchases, starting at $6.99 per month. Learn Mathematics [PRO] asks for nothing beyond the download.

## The numbers

| Metric | Learn Mathematics [PRO] | GetPrincipia |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Size | 50 MB | 38 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Axiom 38 LLC](https://appshunter.io/developer/1887968723) |

## What reviewers say

### Learn Mathematics [PRO]

[App page](https://appshunter.io/ios/app/learn-mathematics-pro/id6737169337)

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

**In-app purchases:** none


### GetPrincipia

[App page](https://appshunter.io/ios/app/getprincipia/id6761139348)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Annual | $44.99 | per year |


## Frequently asked questions

### Is Learn Mathematics [PRO] free?

Learn Mathematics [PRO] costs $1.99, with no in-app purchases.

### Is GetPrincipia free?

GetPrincipia is free to download, with in-app purchases available.

### Do Learn Mathematics [PRO] or GetPrincipia have ads?

Learn Mathematics [PRO] shows ads; GetPrincipia 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.*