# 紫微四化飛星 vs Commodity Price Note

The clearest difference is price: Commodity Price Note at Free against 紫微四化飛星's $29.99. Commodity Price Note also leads on iOS requirement (7.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Commodity Price Note is free to download; 紫微四化飛星 costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

紫微四化飛星 ships an update monthly, Commodity Price Note every 3 weeks. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 紫微四化飛星 | Commodity Price Note |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 14 MB | 7 MB |
| Requires iOS | 17.6 | **7.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ring](https://appshunter.io/developer/393774928) | [Chun-Wei Chen](https://appshunter.io/developer/879061391) |

## What reviewers say

### 紫微四化飛星

[App page](https://appshunter.io/ios/app/id527052359)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Commodity Price Note

[App page](https://appshunter.io/ios/app/commodity-price-note-free/id957635832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 紫微四化飛星 free?

紫微四化飛星 costs $29.99, with no in-app purchases.

### Is Commodity Price Note free?

Commodity Price Note is free to download, with no in-app purchases.

### Do 紫微四化飛星 or Commodity Price Note have ads?

Neither 紫微四化飛星 nor Commodity Price Note shows ads.

### Which is updated more often, 紫微四化飛星 or Commodity Price Note?

紫微四化飛星 ships an update monthly, and Commodity Price Note every 3 weeks. Most recently, 紫微四化飛星 was updated on November 1, 2026 and Commodity Price Note on October 26, 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.*