# 91排盘 vs 周易六爻

The clearest difference is in-app purchases: 周易六爻 at none against 91排盘's 2. 91排盘's advantage is update cadence (fortnightly vs every 14 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 91排盘 sells 2 one-off in-app purchases. 周易六爻 asks for nothing beyond the download.

91排盘 ships an update fortnightly, 周易六爻 every 14 months. The most recent releases landed on September 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 91排盘 | 周易六爻 |
| --- | --- | --- |
| 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 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [火光 温](https://appshunter.io/developer/1701355360) | [广州鑫世信息科技有限公司](https://appshunter.io/developer/1259875624) |

## 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 |


### 周易六爻

[App page](https://appshunter.io/ios/app/id6479593729)

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

**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 周易六爻 free?

周易六爻 is free to download, with no in-app purchases.

### Do 91排盘 or 周易六爻 have ads?

Neither 91排盘 nor 周易六爻 shows ads.

### Which is updated more often, 91排盘 or 周易六爻?

91排盘 ships an update fortnightly, and 周易六爻 every 14 months. Most recently, 91排盘 was updated on September 5, 2026 and 周易六爻 on September 20, 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.*