# 91排盘 vs 八字

The clearest difference is in-app purchases: 八字 at none against 91排盘's 2. 91排盘's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 91排盘 sells 2 one-off in-app purchases. 八字 asks for nothing beyond the download.

91排盘 ships an update fortnightly, 八字 every 5 weeks. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 91排盘 | 八字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/91/id1071890277/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 12 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [火光 温](https://appshunter.io/developer/1701355360) | [帅 李](https://appshunter.io/developer/1705660101) |

## What reviewers say

### 91排盘

[App page](https://appshunter.io/ios/app/91/id1071890277)

This app offers a comprehensive suite of Chinese astrology and divination tools, including Bazi, Zi Wei Dou Shu, and Liu Yao charting. It provides a simple interface for enthusiasts to organize, back up, and synchronize their charting data for easy sharing and study.

**Highlights:** Bazi charting, Zi Wei Dou Shu charting, Liu Yao charting, Mei Hua charting, Da Liu Ren charting, Qi Men charting, Data backup and sync

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP会员购买1年 | $0.99 | one-time |
| VIP会员购买5年 | $4.99 | one-time |


### 八字

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 91排盘 free?

91排盘 is free to download, with in-app purchases available.

### Is 八字 free?

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

### Do 91排盘 or 八字 have ads?

Neither 91排盘 nor 八字 shows ads.

### Which is updated more often, 91排盘 or 八字?

91排盘 ships an update fortnightly, and 八字 every 5 weeks. Most recently, 91排盘 was updated on September 5, 2026 and 八字 on September 10, 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.*