# TD Security vs Scan QR Code & Barcode

The clearest difference is in-app purchases: TD Security at none against Scan QR Code & Barcode's 2. TD Security also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Scan QR Code & Barcode's advantage is update cadence (every 3 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Scan QR Code & Barcode sells 2 in-app purchases, starting at $19.99 per 7 days. TD Security asks for nothing beyond the download.

TD Security ships an update every 4 months, Scan QR Code & Barcode every 3 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TD Security | Scan QR Code & Barcode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (36 ratings)](https://appshunter.io/ios/app/scan-qr-code-and-barcode/id6702016142/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oryx Systems CC](https://appshunter.io/developer/966072104) | [艳 王](https://appshunter.io/developer/1763352243) |

## What reviewers say

### TD Security

[App page](https://appshunter.io/ios/app/td-security/id6477154935)

**In-app purchases:** none


### Scan QR Code & Barcode

[App page](https://appshunter.io/ios/app/scan-qr-code-and-barcode/id6702016142)

Quickly scan QR codes and barcodes to access information. Generate and share your own codes, and keep an archive of all scanned and created codes. Supports auto-scan functionality for efficient use.

**Highlights:** QR Code Scanner, Create QR Codes, Barcode Scanner, Share QR Codes, Auto Scan, Code Archive

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week | $19.99 | per 7 days |
| month | $29.99 | per month |


## Frequently asked questions

### Is TD Security free?

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

### Is Scan QR Code & Barcode free?

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

### Do TD Security or Scan QR Code & Barcode have ads?

Scan QR Code & Barcode shows ads; TD Security does not.

### Which is updated more often, TD Security or Scan QR Code & Barcode?

TD Security ships an update every 4 months, and Scan QR Code & Barcode every 3 weeks. Most recently, TD Security was updated on September 21, 2026 and Scan QR Code & Barcode on September 18, 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.*