# QR Code Reader vs 玄機風水

The clearest difference is in-app purchases: QR Code Reader at none against 玄機風水's 1. QR Code Reader also leads on update cadence (fortnightly vs monthly). 玄機風水's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. 玄機風水 sells 1 in-app purchase, starting at $29.99 per year. QR Code Reader asks for nothing beyond the download.

QR Code Reader ships an update fortnightly, 玄機風水 monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | QR Code Reader | 玄機風水 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Size | 8 MB | 43 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [妙中 张](https://appshunter.io/developer/1737955069) | [CHUN KEE KUAN](https://appshunter.io/developer/1889750439) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-barcode/id6737468626)

**Features:** macOS Compatibility

**In-app purchases:** none


### 玄機風水

[App page](https://appshunter.io/ios/app/id6761541219)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 玄機風水 - 專業實景羅盤與戶型立極 | $29.99 | per year |


## Frequently asked questions

### Is QR Code Reader free?

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

### Is 玄機風水 free?

玄機風水 is free to download, with in-app purchases available.

### Do QR Code Reader or 玄機風水 have ads?

QR Code Reader shows ads; 玄機風水 does not.

### Which is updated more often, QR Code Reader or 玄機風水?

QR Code Reader ships an update fortnightly, and 玄機風水 monthly. Most recently, QR Code Reader was updated on October 27, 2026 and 玄機風水 on October 24, 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.*