# 济济Pro vs Scan QR Code

The clearest difference is in-app purchases: 济济Pro at none against Scan QR Code's 3. 济济Pro also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Scan QR Code sells 3 in-app purchases, starting at $6.99 per 7 days. 济济Pro asks for nothing beyond the download.

济济Pro ships an update every 4 weeks, Scan QR Code monthly. The most recent releases landed on September 12, 2026 and July 27, 2026 respectively.

## The numbers

| Metric | 济济Pro | Scan QR Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 61 MB | 100 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Guangzhou Youji Yushi Information Technology Co., Ltd.](https://appshunter.io/developer/1672548536) | [Guangzhou Fun network technology Co., LTD](https://appshunter.io/developer/1749225910) |

## What reviewers say

### 济济Pro

[App page](https://appshunter.io/ios/app/pro/id6445938115)

**In-app purchases:** none


### Scan QR Code

[App page](https://appshunter.io/ios/app/scan-qr-code-qr-code-reader/id6744961133)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly member | $6.99 | per 7 days |
| Monthly member | $5.99 | one-time |
| Annual member | $14.99 | one-time |


## Frequently asked questions

### Is 济济Pro free?

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

### Is Scan QR Code free?

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

### Do 济济Pro or Scan QR Code have ads?

Scan QR Code shows ads; 济济Pro does not.

### Which is updated more often, 济济Pro or Scan QR Code?

济济Pro ships an update every 4 weeks, and Scan QR Code monthly. Most recently, 济济Pro was updated on September 12, 2026 and Scan QR Code on July 27, 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.*