# 小黑盒加速器 vs Custom QR Code Maker & Scan

The clearest difference is in-app purchases: 小黑盒加速器 at none against Custom QR Code Maker & Scan's 2. 小黑盒加速器 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Custom QR Code Maker & Scan's advantage is update cadence (every 3 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Custom QR Code Maker & Scan sells 2 in-app purchases, starting at $3.99 per month. 小黑盒加速器 asks for nothing beyond the download.

小黑盒加速器 ships an update every 3 weeks, Custom QR Code Maker & Scan every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 小黑盒加速器 | Custom QR Code Maker & Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (70 ratings)](https://appshunter.io/ios/app/id1450920208/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 33.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 97 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Qingfeng(Beijing)Technology Co., Ltd.](https://appshunter.io/developer/990892582) | [可 吴](https://appshunter.io/developer/1854274317) |

## What reviewers say

### 小黑盒加速器

[App page](https://appshunter.io/ios/app/id1450920208)

**Features:** Vision Pro support

**In-app purchases:** none


### Custom QR Code Maker & Scan

[App page](https://appshunter.io/ios/app/custom-qr-code-maker-and-scan/id6799589471)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Studio Pro — Monthly | $3.99 | per month |
| QR Studio Pro — Yearly | $19.99 | per year |


## Frequently asked questions

### Is 小黑盒加速器 free?

小黑盒加速器 is free to download, with no in-app purchases.

### Is Custom QR Code Maker & Scan free?

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

### Do 小黑盒加速器 or Custom QR Code Maker & Scan have ads?

Neither 小黑盒加速器 nor Custom QR Code Maker & Scan shows ads.

### Which is updated more often, 小黑盒加速器 or Custom QR Code Maker & Scan?

小黑盒加速器 ships an update every 3 weeks, and Custom QR Code Maker & Scan every 3 days. Most recently, 小黑盒加速器 was updated on October 24, 2026 and Custom QR Code Maker & Scan on October 25, 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.*