# Math Proof Studio vs LëtzPass

The clearest difference is in-app purchases: Math Proof Studio at none against LëtzPass's 3. Math Proof Studio also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. LëtzPass sells 3 one-off in-app purchases. Math Proof Studio asks for nothing beyond the download.

## The numbers

| Metric | Math Proof Studio | LëtzPass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 18 MB | 129 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Phung Thi Ha](https://appshunter.io/developer/1865511505) | [UnchartedEdge LLC](https://appshunter.io/developer/1844898024) |

## What reviewers say

### Math Proof Studio

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

**Features:** macOS Compatibility

**In-app purchases:** none


### LëtzPass

[App page](https://appshunter.io/ios/app/letzpass/id6770150925)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sprint (30 days) | $49.00 | one-time |
| Standard (90 days) | $99.00 | one-time |
| Comfort (180 days) | $149.00 | one-time |


## Frequently asked questions

### Is Math Proof Studio free?

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

### Is LëtzPass free?

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

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

Neither Math Proof Studio nor LëtzPass 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.*