# QR Code Reader vs 汽修叮叮

The clearest difference is update cadence: QR Code Reader at every 2 days against 汽修叮叮's fortnightly. 汽修叮叮's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QR Code Reader ships an update every 2 days, 汽修叮叮 fortnightly. The most recent releases landed on August 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | QR Code Reader | 汽修叮叮 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/qr-code-reader-barcode-scan/id1541317915/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 90.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free | — |
| Size | 6 MB | 65 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Veecells](https://appshunter.io/developer/1184210156) | [Wuxi Chetong Rail Technology Co., Ltd](https://appshunter.io/developer/1509398718) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode-scan/id1541317915)

This app quickly scans QR codes, barcodes, and various document types. It also functions as a generator for QR codes, URLs, and text from images. Enjoy a fast, all-in-one scanning and generation experience.

**Highlights:** Scan QR codes and barcodes, Generate QR codes and URLs, Scan business cards and documents, Support for multiple QR code types, Flashlight for dark scanning, Batch scanning and history reuse, Customizable QR code appearance

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and accurate scanning
- ⚡️ Fast and efficient
- 🔍 Useful for everyday tasks
- 📱 Works well on iPhone
- 🤩 Great app overall

**What reviewers complain about**

- 🤖 Excessive ads and pop-ups
- 🕰️ Slow performance and long loading times
- 🔓 Potential security/privacy concerns
- 💰 Deceptive about free trial period

**Reported bugs**

- App crashes frequently
- Fails to scan codes properly
- Causes device performance issues

**Requested features**

- Ability to disable ads
- More advanced scanning options
- Improved compatibility with older devices


### 汽修叮叮

[App page](https://appshunter.io/ios/app/id1583684532)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader free?

QR Code Reader is free to download, with no in-app purchases.

### Is 汽修叮叮 free?

汽修叮叮 is free to download, with no in-app purchases.

### Do QR Code Reader or 汽修叮叮 have ads?

Neither QR Code Reader nor 汽修叮叮 shows ads.

### Which is updated more often, QR Code Reader or 汽修叮叮?

QR Code Reader ships an update every 2 days, and 汽修叮叮 fortnightly. Most recently, QR Code Reader was updated on August 21, 2026 and 汽修叮叮 on September 10, 2026.

---

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