# 八字 vs YiMatrix

The clearest difference is in-app purchases: 八字 at none against YiMatrix's 10. YiMatrix's advantage is update cadence (every 4 days vs every 3 weeks) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. YiMatrix sells 10 in-app purchases, starting at $6.99 per month. 八字 asks for nothing beyond the download.

八字 ships an update every 3 weeks, YiMatrix every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | 八字 | YiMatrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/yimatrix-ai-fortune-teller/id6502868469/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 69 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [帅 李](https://appshunter.io/developer/1705660101) | [Wuxi Nanhara Technologies Co., Ltd.](https://appshunter.io/developer/1483890025) |

## What reviewers say

### 八字

[App page](https://appshunter.io/ios/app/id6464371895)

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

**In-app purchases:** none


### YiMatrix

[App page](https://appshunter.io/ios/app/yimatrix-ai-fortune-teller/id6502868469)

Explore ancient Eastern wisdom with AI-powered destiny analysis, divination, and learning resources. Get personalized interpretations of BaZi, I Ching, palmistry, and face reading, along with compatibility matching and community features.

**Highlights:** AI BaZi Destiny Analysis, I Ching & Liu Yao Divination, AI Compatibility Matching, Metaphysical Learning Community, AI Palmistry & Face Reading, Feng Shui Compass, Professional Chinese Almanac

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Membership | $6.99 | per month |
| Diamond Membership | $14.99 | per month |
| Gold Membership (Quarterly) | $17.99 | per 3 months |
| Diamond Membership（Quarterly) | $34.99 | per 3 months |
| 100 Points | $0.99 | one-time |
| 600 Points | $1.99 | one-time |
| 3000 Points | $3.99 | one-time |
| 9800 Points | $14.99 | one-time |
| 29800 Points | $39.99 | one-time |
| 51800 Points | $69.99 | one-time |


## Frequently asked questions

### Is 八字 free?

八字 is free to download, with no in-app purchases.

### Is YiMatrix free?

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

### Do 八字 or YiMatrix have ads?

Neither 八字 nor YiMatrix shows ads.

### Which is updated more often, 八字 or YiMatrix?

八字 ships an update every 3 weeks, and YiMatrix every 4 days. Most recently, 八字 was updated on October 30, 2026 and YiMatrix on October 30, 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.*