# 紫微斗數專業排盤機 (全功能版) vs 乾之易

The clearest difference is review sentiment: 乾之易 at 81% against 紫微斗數專業排盤機 (全功能版)'s 7%. 乾之易 also leads on update cadence (monthly vs every 7 months). 紫微斗數專業排盤機 (全功能版)'s advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 紫微斗數專業排盤機 (全功能版) sells 1 one-off in-app purchase and 乾之易 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

紫微斗數專業排盤機 (全功能版) ships an update every 7 months, 乾之易 monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 紫微斗數專業排盤機 (全功能版) | 乾之易 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/id1232308176/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 7.1% of reviews | **81.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 58 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keung Wah Chan](https://appshunter.io/developer/434557621) | [学昊 赵](https://appshunter.io/developer/1232308175) |

## What reviewers say

### 紫微斗數專業排盤機 (全功能版)

[App page](https://appshunter.io/ios/app/id852856983)

This app generates detailed astrological charts, including natal, major cycle, annual, monthly, daily, and hourly readings. It offers advanced customization options for astrological elements and supports a large database for client records. Ideal for both beginners and professionals in astrology.

**Highlights:** Generate various astrological charts (natal, major cycle, annual, etc.), Dynamic major cycle and annual chart generation, Display of birth year, major cycle, annual, monthly, daily, and hourly four transformation stars, Extensive database for over 100,000 personal records, Customizable astrological parameters and display settings, Input birth dates in Gregorian or Lunar calendar, Multiple chart display options (full chart, three-party and four-directions)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 太陽星、專業紫微斗數排盤機 | $19.99 | one-time |


### 乾之易

[App page](https://appshunter.io/ios/app/id1232308176)

This app is a practical tool designed to help users learn and understand the I Ching (Book of Changes). It offers various methods for accessing and referencing content, making the study of this classic text more intuitive and efficient without needing physical books.

**Highlights:** Multiple access methods, Simplified I Ching study, Intuitive content presentation, Supports various divination methods, Offline functionality, No user data collection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 乾之易1个周体验 | Free | one-time |
| 乾之易5个月体验 | $0.99 | one-time |
| 乾之易终身版 | $4.99 | one-time |


## Frequently asked questions

### Is 紫微斗數專業排盤機 (全功能版) free?

紫微斗數專業排盤機 (全功能版) is free to download, with in-app purchases available.

### Is 乾之易 free?

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

### Do 紫微斗數專業排盤機 (全功能版) or 乾之易 have ads?

Neither 紫微斗數專業排盤機 (全功能版) nor 乾之易 shows ads.

### Which is updated more often, 紫微斗數專業排盤機 (全功能版) or 乾之易?

紫微斗數專業排盤機 (全功能版) ships an update every 7 months, and 乾之易 monthly. Most recently, 紫微斗數專業排盤機 (全功能版) was updated on November 1, 2026 and 乾之易 on November 2, 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.*