# AR Bug Defender vs Quantum Number Lock

The clearest difference is iOS requirement: AR Bug Defender at 13.0 against Quantum Number Lock's 15. 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.

## The numbers

| Metric | AR Bug Defender | Quantum Number Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 113 MB | 7 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Villa Hirschberg Online GmbH](https://appshunter.io/developer/1587484695) | [特 郑](https://appshunter.io/developer/1881393610) |

## What reviewers say

### AR Bug Defender

[App page](https://appshunter.io/ios/app/ar-bug-defender/id6743168289)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Number Lock

[App page](https://appshunter.io/ios/app/quantum-number-lock/id6760518803)

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

**In-app purchases:** none


## Frequently asked questions

### Is AR Bug Defender free?

AR Bug Defender is free to download, with no in-app purchases.

### Is Quantum Number Lock free?

Quantum Number Lock is free to download, with no in-app purchases.

### Do AR Bug Defender or Quantum Number Lock have ads?

Neither AR Bug Defender nor Quantum Number Lock 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.*