# 文墨天机®(专业版) vs Authenticator

The clearest difference is iOS requirement: 文墨天机®(专业版) at 14.0 against Authenticator's 16.6. On price, ads, in-app purchases and device support 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 Authenticator sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 文墨天机®(专业版) | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (588 ratings)](https://appshunter.io/ios/app/id1193514811/reviews)** | — |
| Number of ratings | **588** | — |
| Positive reviews | 82.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 19 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [文辉 王](https://appshunter.io/developer/952653550) | [莉 张](https://appshunter.io/developer/1287876080) |

## 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


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-2fa-and-passwords/id6793012859)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $5.99 | per 7 days |
| Weekly Premium Trial | $6.99 | per 7 days |


## 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 Authenticator free?

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

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

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

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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.*