# 瑞梦思Sleep vs 正道奇门

The clearest difference is in-app purchases: 瑞梦思Sleep at none against 正道奇门's 4. 瑞梦思Sleep also leads on iOS requirement (10.0 vs 13.0). 正道奇门's advantage is update cadence (every 4 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. 正道奇门 sells 4 one-off in-app purchases. 瑞梦思Sleep asks for nothing beyond the download.

瑞梦思Sleep ships an update every 4 months, 正道奇门 every 4 weeks. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 瑞梦思Sleep | 正道奇门 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 61 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Glamour Technology Co., Ltd.](https://appshunter.io/developer/1555640422) | [广州福禄寿喜文化产业有限公司](https://appshunter.io/developer/1796351785) |

## What reviewers say

### 瑞梦思Sleep

[App page](https://appshunter.io/ios/app/sleep/id1613455641)

**In-app purchases:** none


### 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 瑞梦思Sleep free?

瑞梦思Sleep is free to download, with no in-app purchases.

### Is 正道奇门 free?

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

### Do 瑞梦思Sleep or 正道奇门 have ads?

Neither 瑞梦思Sleep nor 正道奇门 shows ads.

### Which is updated more often, 瑞梦思Sleep or 正道奇门?

瑞梦思Sleep ships an update every 4 months, and 正道奇门 every 4 weeks. Most recently, 瑞梦思Sleep was updated on September 25, 2026 and 正道奇门 on September 29, 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.*