# 十三行紫微斗數 for iPhone vs 润河奇门

The clearest difference is review sentiment: 润河奇门 at 100% against 十三行紫微斗數 for iPhone's 20%. 润河奇门 also leads on price ($20.99 vs $39.99) and device support (3 vs 1). On update cadence, ads and in-app purchases there is nothing between them.

十三行紫微斗數 for iPhone costs $39.99 and 润河奇门 $20.99 up front. Neither carries in-app purchases, so what you see is what you pay.

十三行紫微斗數 for iPhone ships an update every 3 months, 润河奇门 every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 十三行紫微斗數 for iPhone | 润河奇门 |
| --- | --- | --- |
| Price | $39.99 | **$20.99** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 19 MB | 45 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Firm 13 Limited](https://appshunter.io/developer/294205351) | [春原 陆](https://appshunter.io/developer/881523825) |

## What reviewers say

### 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


### 润河奇门

[App page](https://appshunter.io/ios/app/id958087079)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 润河奇门 free?

润河奇门 costs $20.99, with no in-app purchases.

### Do 十三行紫微斗數 for iPhone or 润河奇门 have ads?

Neither 十三行紫微斗數 for iPhone nor 润河奇门 shows ads.

### Which is updated more often, 十三行紫微斗數 for iPhone or 润河奇门?

十三行紫微斗數 for iPhone ships an update every 3 months, and 润河奇门 every 6 weeks. Most recently, 十三行紫微斗數 for iPhone was updated on October 24, 2026 and 润河奇门 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.*