# Mustang Safe vs PolyMode GPA

The clearest difference is ads: Mustang Safe at none against PolyMode GPA's shown. Mustang Safe also leads on iOS requirement (15.6 vs 26.4). On price, 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 | Mustang Safe | PolyMode GPA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Size | 29 MB | 5 MB |
| Requires iOS | **15.6** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Cal Poly, San Luis Obispo](https://appshunter.io/developer/491511839) | [Ebenezer Tay](https://appshunter.io/developer/1896742057) |

## What reviewers say

### Mustang Safe

[App page](https://appshunter.io/ios/app/mustang-safe/id6744369156)

**In-app purchases:** none


### PolyMode GPA

[App page](https://appshunter.io/ios/app/polymode-gpa/id6770425876)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mustang Safe free?

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

### Is PolyMode GPA free?

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

### Do Mustang Safe or PolyMode GPA have ads?

PolyMode GPA shows ads; Mustang Safe 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.*