# Quest AIR MD vs VAult

The clearest difference is update cadence: VAult at every 2 weeks against Quest AIR MD's every 2 months. Quest AIR MD's advantage is iOS requirement (12.0 vs 15.1). On price, ads, 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.

Quest AIR MD ships an update every 2 months, VAult every 2 weeks. The most recent releases landed on October 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Quest AIR MD | VAult |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 21 MB | 72 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Air MD Corp](https://appshunter.io/developer/1479285784) | [KAI,NING KUO](https://appshunter.io/developer/1877397700) |

## What reviewers say

### Quest AIR MD

[App page](https://appshunter.io/ios/app/quest-air-md/id6466240931)

**In-app purchases:** none


### VAult

[App page](https://appshunter.io/ios/app/vault-mart/id6760883636)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quest AIR MD free?

Quest AIR MD is free to download, with no in-app purchases.

### Is VAult free?

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

### Do Quest AIR MD or VAult have ads?

Neither Quest AIR MD nor VAult shows ads.

### Which is updated more often, Quest AIR MD or VAult?

Quest AIR MD ships an update every 2 months, and VAult every 2 weeks. Most recently, Quest AIR MD was updated on October 30, 2026 and VAult on October 8, 2026.

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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.*