# KeyVault Studio vs OpenASO

The clearest difference is device support: KeyVault Studio at 3 against OpenASO's 1. OpenASO's advantage is iOS requirement (16.4 vs 26.0). 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 | KeyVault Studio | OpenASO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 35 MB | 49 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Bail](https://appshunter.io/developer/1836130527) | [Que Anh Bui Nguyen](https://appshunter.io/developer/6794007553) |

## What reviewers say

### KeyVault Studio

[App page](https://appshunter.io/ios/app/keyvault-studio/id6759035356)

**Features:** Vision Pro support

**In-app purchases:** none


### OpenASO

[App page](https://appshunter.io/ios/app/openaso/id6794007551)

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

**In-app purchases:** none


## Frequently asked questions

### Is KeyVault Studio free?

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

### Is OpenASO free?

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

### Do KeyVault Studio or OpenASO have ads?

Neither KeyVault Studio nor OpenASO 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.*