# StarPterano vs BiasCheck

The clearest difference is device support: StarPterano at 4 against BiasCheck's 2. StarPterano also leads on iOS requirement (13.0 vs 15.0). On price, ads and in-app purchases 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 | StarPterano | BiasCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 20 MB | 7 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SEGO Takayoshi](https://appshunter.io/developer/454481305) | [JASON ARBON](https://appshunter.io/developer/547117915) |

## What reviewers say

### StarPterano

[App page](https://appshunter.io/ios/app/starpterano/id1436972796)

**In-app purchases:** none


### BiasCheck

[App page](https://appshunter.io/ios/app/biascheck/id6761512417)

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

**In-app purchases:** none


## Frequently asked questions

### Is StarPterano free?

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

### Is BiasCheck free?

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

### Do StarPterano or BiasCheck have ads?

Neither StarPterano nor BiasCheck 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.*