# CT Passkey vs Fast QR Barcode Scanner

The clearest difference is in-app purchases: CT Passkey at none against Fast QR Barcode Scanner's 4. CT Passkey also leads on ads (none vs shown) and update cadence (every 9 days vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fast QR Barcode Scanner sells 4 in-app purchases, starting at $4.99 per 7 days. CT Passkey asks for nothing beyond the download.

CT Passkey ships an update every 9 days, Fast QR Barcode Scanner every 5 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CT Passkey | Fast QR Barcode Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Size | 40 MB | 128 MB |
| Requires iOS | 15.6 | **15.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IT Department, General Department of Taxation of Viet Nam](https://appshunter.io/developer/1589750684) | [Dinh Kim Ngan](https://appshunter.io/developer/1863584246) |

## What reviewers say

### CT Passkey

[App page](https://appshunter.io/ios/app/ct-passkey/id6755713591)

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

**In-app purchases:** none


### Fast QR Barcode Scanner

[App page](https://appshunter.io/ios/app/fast-qr-barcode-scanner/id6796951442)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Welcome Gift | $7.99 | per year |
| Monthly Pro | $9.99 | per month |
| Yearly Pro | $19.99 | per year |


## Frequently asked questions

### Is CT Passkey free?

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

### Is Fast QR Barcode Scanner free?

Fast QR Barcode Scanner is free to download, with in-app purchases available.

### Do CT Passkey or Fast QR Barcode Scanner have ads?

Fast QR Barcode Scanner shows ads; CT Passkey does not.

### Which is updated more often, CT Passkey or Fast QR Barcode Scanner?

CT Passkey ships an update every 9 days, and Fast QR Barcode Scanner every 5 weeks. Most recently, CT Passkey was updated on October 28, 2026 and Fast QR Barcode Scanner on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*