# 紫微四化飛星 vs 十三行紫微斗數 for iPhone

The clearest difference is price: 紫微四化飛星 at $29.99 against 十三行紫微斗數 for iPhone's $39.99. 紫微四化飛星 also leads on update cadence (every 3 weeks vs every 3 months) and review sentiment (38% vs 20%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

紫微四化飛星 costs $29.99 and 十三行紫微斗數 for iPhone $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

紫微四化飛星 ships an update every 3 weeks, 十三行紫微斗數 for iPhone every 3 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 紫微四化飛星 | 十三行紫微斗數 for iPhone |
| --- | --- | --- |
| Price | **$29.99** | $39.99 |
| Positive reviews | **37.5% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Paid |
| Size | 14 MB | 19 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ring](https://appshunter.io/developer/393774928) | [Firm 13 Limited](https://appshunter.io/developer/294205351) |

## 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


### 十三行紫微斗數 for iPhone

[App page](https://appshunter.io/ios/app/for-iphone/id899029517)

This professional astrology app generates detailed Zi Wei Dou Shu charts with advanced analysis features. It allows for multi-layer display of planetary movements and astrological influences, offering extensive customization for various astrological schools.

**Highlights:** Multi-layer display of planetary movements and influences, Detailed analysis of Four Transformations (Si Hua), Extensive customization for astrological parameters, Support for various astrological schools and interpretations, Backup and transfer of birth records via iTunes File Sharing, User-friendly interface with Traditional and Simplified Chinese options

**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 十三行紫微斗數 for iPhone free?

十三行紫微斗數 for iPhone costs $39.99, with no in-app purchases.

### Do 紫微四化飛星 or 十三行紫微斗數 for iPhone have ads?

Neither 紫微四化飛星 nor 十三行紫微斗數 for iPhone shows ads.

### Which is updated more often, 紫微四化飛星 or 十三行紫微斗數 for iPhone?

紫微四化飛星 ships an update every 3 weeks, and 十三行紫微斗數 for iPhone every 3 months. Most recently, 紫微四化飛星 was updated on November 6, 2026 and 十三行紫微斗數 for iPhone on November 1, 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.*