# SDM vs NFC Tag Reader, QR Code

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

Both are free to download. NFC Tag Reader, QR Code sells 2 in-app purchases, starting at $5.99 per 7 days. SDM asks for nothing beyond the download.

## The numbers

| Metric | SDM | NFC Tag Reader, QR Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 67 MB | 28 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [SHARITEK VIETNAM COMPANY LIMITED](https://appshunter.io/developer/1522825345) | [Lepisov Apps](https://appshunter.io/developer/1885942034) |

## What reviewers say

### SDM

[App page](https://appshunter.io/ios/app/sdm/id1641444896)

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC Tag Reader, QR Code

[App page](https://appshunter.io/ios/app/nfc-tag-reader-qr-code-norfy/id6760727865)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Premium Yearly | $129.99 | per year |


## Frequently asked questions

### Is SDM free?

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

### Is NFC Tag Reader, QR Code free?

NFC Tag Reader, QR Code is free to download, with in-app purchases available.

### Do SDM or NFC Tag Reader, QR Code have ads?

Neither SDM nor NFC Tag Reader, QR Code 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.*