# Math Proof Studio vs GetPrincipia

The clearest difference is in-app purchases: Math Proof Studio at none against GetPrincipia's 2. Math Proof Studio also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. GetPrincipia sells 2 in-app purchases, starting at $6.99 per month. Math Proof Studio asks for nothing beyond the download.

## The numbers

| Metric | Math Proof Studio | GetPrincipia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 18 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phung Thi Ha](https://appshunter.io/developer/1865511505) | [Axiom 38 LLC](https://appshunter.io/developer/1887968723) |

## What reviewers say

### Math Proof Studio

[App page](https://appshunter.io/ios/app/math-proof-studio/id6757322894)

**Features:** macOS Compatibility

**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 Math Proof Studio free?

Math Proof Studio is free to download, with no in-app purchases.

### Is GetPrincipia free?

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

### Do Math Proof Studio or GetPrincipia have ads?

Neither Math Proof Studio nor GetPrincipia 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.*