# Scan QR Code vs 写作助手

The clearest difference is ads: 写作助手 at none against Scan QR Code's shown. Scan QR Code's advantage is update cadence (monthly vs every 4 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support 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 and 写作助手 sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scan QR Code ships an update monthly, 写作助手 every 4 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Scan QR Code | 写作助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Size | 100 MB | 45 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Guangzhou Fun network technology Co., LTD](https://appshunter.io/developer/1749225910) | [应夏 陈](https://appshunter.io/developer/1842122745) |

## What reviewers say

### 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 |


### 写作助手

[App page](https://appshunter.io/ios/app/ai/id6756476932)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 月会员 | $5.99 | one-time |
| 年会员 | $14.99 | one-time |


## Frequently asked questions

### Is Scan QR Code free?

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

### Is 写作助手 free?

写作助手 is free to download, with in-app purchases available.

### Do Scan QR Code or 写作助手 have ads?

Scan QR Code shows ads; 写作助手 does not.

### Which is updated more often, Scan QR Code or 写作助手?

Scan QR Code ships an update monthly, and 写作助手 every 4 months. Most recently, Scan QR Code was updated on October 30, 2026 and 写作助手 on October 28, 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.*