# 文墨天机®(专业版) vs Dive World

The clearest difference is ratings volume: 文墨天机®(专业版) at 579 against Dive World's 1. 文墨天机®(专业版) also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. 文墨天机®(专业版) sells 4 one-off in-app purchases and Dive World sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for 文墨天机®(专业版) against 5.0 for Dive World. That said, the two scores are not equally well evidenced: 文墨天机®(专业版) has 579 ratings behind it against 1, so its average is the more settled of the two.

文墨天机®(专业版) ships an update every 10 days, Dive World fortnightly. Both last shipped on October 14, 2026.

## The numbers

| Metric | 文墨天机®(专业版) | Dive World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (579 ratings)](https://appshunter.io/ios/app/id1193514811/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dive-world/id6757686877/reviews)** |
| Number of ratings | **579** | 1 |
| Positive reviews | 84.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 329 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [文辉 王](https://appshunter.io/developer/952653550) | [洋 张](https://appshunter.io/developer/1868220458) |

## What reviewers say

### 文墨天机®(专业版)

[App page](https://appshunter.io/ios/app/id1193514811)

This professional astrology tool assists researchers in studying Zi Wei Dou Shu, a traditional Chinese predictive art. It offers accurate astrological charts with a wide time range and supports various schools of thought, making complex calculations accessible.

**Highlights:** Zi Wei Dou Shu charting, High-precision astronomical calendar, Wide time range for charts, Supports multiple astrological schools, User-friendly interface, Continuous updates

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 辅助功能增强包 | $9.99 | one-time |
| 中州派地盘和人盘排盘功能 | $9.99 | one-time |
| 大限流年增强包（童限+小限） | $14.99 | one-time |
| 三合盘流月流日流时排盘功能 | $24.99 | one-time |

**What reviewers like**

- 👍 Professional and practical
- 👍 Convenient and fast
- 👍 Great for learning Ziwei Doushu
- 👍 Accurate and reliable
- 👍 Reasonable pricing for advanced features

**What reviewers complain about**

- 🐛 Crashes after update
- 🐛 Blurry screen and reduced resolution
- 🐛 Display issues on iPhone 17
- 🐛 Quick charting often malfunctions
- 🐛 Four pillars reverse lookup not working

**Reported bugs**

- Crashes after update
- Blurry screen and reduced resolution
- Display issues on iPhone 17
- Quick charting often malfunctions
- Four pillars reverse lookup not working

**Requested features**

- Support for iPhone Air
- Support for Android and Windows platforms
- Add archiving and search functionality
- Consider a subscription model for Pro features
- Add annotation function for major and minor cycles time points


### Dive World

[App page](https://appshunter.io/ios/app/dive-world/id6757686877)

This app is an all-in-one platform for diving enthusiasts to record dives, connect with other divers, and enhance underwater photos. It offers professional tools to support safe diving experiences for all levels of divers.

**Highlights:** Dedicated dive log, Find dive buddies, AI underwater photo color correction, Professional diving tools, Connect with global divers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员-连续包月 | $5.99 | per month |
| 年度会员-连续包年 | $44.99 | per year |


## Frequently asked questions

### Is 文墨天机®(专业版) free?

文墨天机®(专业版) is free to download, with in-app purchases available.

### Is Dive World free?

Dive World is free to download, with in-app purchases available.

### Which has better reviews, 文墨天机®(专业版) or Dive World?

Dive World is rated higher. 文墨天机®(专业版) averages 4.9 out of 5 from 579 ratings, while Dive World averages 5.0 from 1 ratings.

### Do 文墨天机®(专业版) or Dive World have ads?

Neither 文墨天机®(专业版) nor Dive World shows ads.

### Which is updated more often, 文墨天机®(专业版) or Dive World?

文墨天机®(专业版) ships an update every 10 days, and Dive World fortnightly. Most recently, 文墨天机®(专业版) was updated on October 14, 2026 and Dive World on October 14, 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.*