# VDM vs Scan QR

The clearest difference is in-app purchases: VDM at none against Scan QR's 2. VDM also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Scan QR sells 2 in-app purchases, starting at $1.99 per 7 days. VDM asks for nothing beyond the download.

## The numbers

| Metric | VDM | Scan QR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Size | 4 MB | 56 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Chongqing Streamax Information Technology Co., Ltd.](https://appshunter.io/developer/502446406) | [Ivan Kuvshinov](https://appshunter.io/developer/1756075822) |

## What reviewers say

### VDM

[App page](https://appshunter.io/ios/app/vdm-vigilant-device-manager/id1607065930)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scan QR

[App page](https://appshunter.io/ios/app/scan-qr-code/id6523428316)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $1.99 | per 7 days |
| All Access annual | $35.90 | per year |


## Frequently asked questions

### Is VDM free?

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

### Is Scan QR free?

Scan QR is free to download, with in-app purchases available.

### Do VDM or Scan QR have ads?

Scan QR shows ads; VDM 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.*