# 大六壬(工具) vs 一讯易卜

The clearest difference is in-app purchases: 一讯易卜 at none against 大六壬(工具)'s 1. 一讯易卜 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). 大六壬(工具)'s advantage is update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. 大六壬(工具) sells 1 one-off in-app purchase. 一讯易卜 asks for nothing beyond the download.

大六壬(工具) ships an update monthly, 一讯易卜 every 3 months. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 大六壬(工具) | 一讯易卜 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/id1551222422/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 100 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Wanchun Zhang](https://appshunter.io/developer/1527439315) | [广东一讯云科技有限公司](https://appshunter.io/developer/1704787634) |

## What reviewers say

### 大六壬(工具)

[App page](https://appshunter.io/ios/app/id1551222422)

This utility app simplifies the complex process of creating Liu Ren divination charts. It offers multiple methods for chart generation, detailed interpretations based on ancient texts, and comprehensive explanations of celestial bodies and auspicious/inauspicious signs.

**Highlights:** Multiple chart generation methods, Detailed ancient text interpretations, Celestial body and sign explanations, Lunar calendar and zodiac conversions, Various noble person selection methods, Comprehensive chart element display

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 专业版 | $12.99 | one-time |


### 一讯易卜

[App page](https://appshunter.io/ios/app/id6463708624)

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

**In-app purchases:** none


## Frequently asked questions

### Is 大六壬(工具) free?

大六壬(工具) is free to download, with in-app purchases available.

### Is 一讯易卜 free?

一讯易卜 is free to download, with no in-app purchases.

### Do 大六壬(工具) or 一讯易卜 have ads?

大六壬(工具) shows ads; 一讯易卜 does not.

### Which is updated more often, 大六壬(工具) or 一讯易卜?

大六壬(工具) ships an update monthly, and 一讯易卜 every 3 months. Most recently, 大六壬(工具) was updated on June 1, 2026 and 一讯易卜 on September 18, 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.*