# QR Code & 2D Barcode Scanner vs Tư duy

The clearest difference is in-app purchases: Tư duy at none against QR Code & 2D Barcode Scanner's 16. Tư duy also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. QR Code & 2D Barcode Scanner sells 12 in-app purchases, starting at $1.99 per 7 days. Tư duy asks for nothing beyond the download.

QR Code & 2D Barcode Scanner ships an update every 9 days, Tư duy every 5 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | QR Code & 2D Barcode Scanner | Tư duy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (638 ratings)](https://appshunter.io/ios/app/qr-code-and-2d-barcode-scanner/id1503971118/reviews)** | — |
| Number of ratings | **638** | — |
| Positive reviews | 46.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 52 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Alekseev](https://appshunter.io/developer/1227414052) | [Hieu Dao](https://appshunter.io/developer/1895210475) |

## What reviewers say

### QR Code & 2D Barcode Scanner

[App page](https://appshunter.io/ios/app/qr-code-and-2d-barcode-scanner/id1503971118)

Easily scan QR codes and various barcode types with a simple interface. Save your scan history, create your own QR codes, and open links directly in your browser. Offers customizable settings and iPad adaptation.

**Highlights:** Scan QR and barcodes, Scan from gallery image, Create QR codes, Scan history, Simple interface, Open links in browser

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly: Premium for QR Code | $1.99 | per 7 days |
| Weekly: Premium for QR Code | $2.99 | per 7 days |
| Weekly: Premium for QR Code | $4.99 | per 7 days |
| Monthly:Premium for QR Scanner | $5.99 | per month |
| Yearly: Premium for QR Reader | $7.99 | per year |
| Weekly: Premium for QR Code | $9.99 | per 7 days |
| Yearly: Premium for QR Reader | $14.99 | per year |
| Yearly: Premium for QR Reader | $19.99 | per year |
| Monthly:Premium for QR Scanner | $19.99 | per month |
| Monthly:Premium for QR Scanner | $19.99 | per month |
| Yearly: Premium for QR Reader | $39.99 | per year |
| Yearly: Premium for QR Reader | $129.99 | per year |


### Tư duy

[App page](https://appshunter.io/ios/app/tu-duy-lateral-thingking/id6777946873)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code & 2D Barcode Scanner free?

QR Code & 2D Barcode Scanner is free to download, with in-app purchases available.

### Is Tư duy free?

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

### Do QR Code & 2D Barcode Scanner or Tư duy have ads?

Both QR Code & 2D Barcode Scanner and Tư duy show ads.

### Which is updated more often, QR Code & 2D Barcode Scanner or Tư duy?

QR Code & 2D Barcode Scanner ships an update every 9 days, and Tư duy every 5 days. Most recently, QR Code & 2D Barcode Scanner was updated on October 19, 2026 and Tư duy on October 16, 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.*