# 八字 vs 元象八字

The clearest difference is in-app purchases: 八字 at none against 元象八字's 13. 元象八字's advantage is update cadence (weekly vs every 5 weeks) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 元象八字 sells 13 in-app purchases, starting at $0.99 per 7 days. 八字 asks for nothing beyond the download.

八字 ships an update every 5 weeks, 元象八字 weekly. The most recent releases landed on September 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 八字 | 元象八字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/ai/id6745251445/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Subscription |
| Size | 12 MB | 78 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [帅 李](https://appshunter.io/developer/1705660101) | [东斌 周](https://appshunter.io/developer/1792134485) |

## What reviewers say

### 八字

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 元象八字

[App page](https://appshunter.io/ios/app/ai/id6745251445)

This app uses AI to provide accurate Bazi (Four Pillars of Destiny) calculations and astrological interpretations. Understand your life's trajectory, predict annual fortunes, and learn traditional Chinese astrology.

**Highlights:** Accurate Bazi Calculation, Personal Destiny Chart Interpretation, Annual Fortune Prediction, Displays current Bazi information, Astrological Knowledge Learning

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员-周 | $0.99 | per 7 days |
| 钻石会员-月 | $3.99 | per month |
| 钻石会员 Pro-月 | $7.99 | per month |
| 高级会员-年 | $24.99 | per year |
| 高级会员-年 | $39.99 | per year |
| 高级会员 Pro-年 | $79.99 | per year |
| 500 积分 | $0.99 | one-time |
| 1200 积分 | $2.99 | one-time |
| one month | $3.99 | one-time |
| 三个月 | $11.99 | one-time |
| 大积分包 | $12.99 | one-time |
| 一年 | $12.99 | one-time |
| 永久会员 | $59.99 | one-time |


## Frequently asked questions

### Is 八字 free?

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

### Is 元象八字 free?

元象八字 is free to download, with in-app purchases available.

### Do 八字 or 元象八字 have ads?

Neither 八字 nor 元象八字 shows ads.

### Which is updated more often, 八字 or 元象八字?

八字 ships an update every 5 weeks, and 元象八字 weekly. Most recently, 八字 was updated on September 10, 2026 and 元象八字 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.*