# 虚空济 vs 正道奇门

The clearest difference is review sentiment: 虚空济 at 82% against 正道奇门's 60%. 虚空济 also leads on update cadence (weekly vs every 4 weeks). 正道奇门's advantage is iOS requirement (13.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 虚空济 sells 3 one-off in-app purchases and 正道奇门 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

虚空济 ships an update weekly, 正道奇门 every 4 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 虚空济 | 正道奇门 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1505471798/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **81.8% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 61 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [山东元智文化传播有限公司](https://appshunter.io/developer/1505471797) | [广州福禄寿喜文化产业有限公司](https://appshunter.io/developer/1796351785) |

## What reviewers say

### 虚空济

[App page](https://appshunter.io/ios/app/id1505471798)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个月会员 | $49.99 | one-time |
| 12个月会员 | $79.99 | one-time |
| 36个月会员 | $229.99 | one-time |


### 正道奇门

[App page](https://appshunter.io/ios/app/id6742016643)

This app offers a comprehensive tool for exploring Qimen Dunjia, a traditional Chinese divination art. It provides detailed explanations and analysis of various charts, catering to both beginners and experienced practitioners of Chinese metaphysics.

**Highlights:** Detailed Qimen Dunjia chart analysis, Beginner-friendly learning tools, Multiple input methods for chart generation, Historical chart record search, Online chart interpretation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 单次解盘 | $9.99 | one-time |
| 年度会员 | $99.99 | one-time |
| 包年会员 | $179.99 | one-time |
| 永久会员 | $349.99 | one-time |


## Frequently asked questions

### Is 虚空济 free?

虚空济 is free to download, with in-app purchases available.

### Is 正道奇门 free?

正道奇门 is free to download, with in-app purchases available.

### Do 虚空济 or 正道奇门 have ads?

Neither 虚空济 nor 正道奇门 shows ads.

### Which is updated more often, 虚空济 or 正道奇门?

虚空济 ships an update weekly, and 正道奇门 every 4 weeks. Most recently, 虚空济 was updated on October 9, 2026 and 正道奇门 on October 15, 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.*