# 九宮姓名學 vs 星星學子

The clearest difference is review sentiment: 星星學子 at 96% against 九宮姓名學's 50%. 星星學子 also leads on rating (5.0 vs 4.0) and ratings volume (5 vs 1). 九宮姓名學's advantage is in-app purchases (none vs 6) and iOS requirement (8.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 星星學子 sells 6 one-off in-app purchases. 九宮姓名學 asks for nothing beyond the download.

星星學子 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: 星星學子 has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of 九宮姓名學's written reviews are positive against 96% of 星星學子's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 九宮姓名學 | 星星學子 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/id1132013491/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id6467391774/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 50.0% of reviews | **95.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 27 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RUEI -YAO Wu](https://appshunter.io/developer/1119079334) | [Animen](https://appshunter.io/developer/1172084025) |

## What reviewers say

### 九宮姓名學

[App page](https://appshunter.io/ios/app/id1132013491)

**Features:** macOS Compatibility

**In-app purchases:** none


### 星星學子

[App page](https://appshunter.io/ios/app/id6467391774)

This professional astrology software allows users to generate and analyze Zi Wei Dou Shu (Purple Star Astrology) charts across multiple devices. It offers advanced features for efficient chart comparison, note-taking, and personalized display settings, catering to both professional astrologers and students.

**Highlights:** Multi-device operation and cloud sync, Dual chart comparison and quick switching, Flexible case tagging and retrieval, Notes and parameter functions per chart, Personalized chart display settings, Simplified display of major/minor cycles, Professional-grade features and updates

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 星幣100點 | $2.99 | one-time |
| 星幣200點 | $5.99 | one-time |
| 星幣500點 | $14.99 | one-time |
| 星幣1000點 | $29.99 | one-time |
| 星幣2000點 | $59.99 | one-time |
| 星幣5000點 | $149.99 | one-time |

**What reviewers like**

- 👍 Free and valuable
- 👍 Accurate data
- 👍 Easy to use
- 👍 Clear interface
- 👍 Detailed charts

**What reviewers complain about**

- 🐛 App crashes when adjusting parameters
- 🐛 Unable to verify email
- 🐛 Charts not displaying after update

**Reported bugs**

- Incorrect year display (2025 displayed as Yi Mao instead of Yi Si)
- App crashes when adjusting parameters for current year/month charts
- Charts not displaying after forced update (blank or continuously loading)

**Requested features**

- Add daily and hourly cycles
- Add lunar months
- Make three-sided and four-sided lines more prominent


## Frequently asked questions

### Is 九宮姓名學 free?

九宮姓名學 is free to download, with no in-app purchases.

### Is 星星學子 free?

星星學子 is free to download, with in-app purchases available.

### Which has better reviews, 九宮姓名學 or 星星學子?

星星學子 is rated higher. 九宮姓名學 averages 4.0 out of 5 from 1 ratings, while 星星學子 averages 5.0 from 5 ratings.

### Do 九宮姓名學 or 星星學子 have ads?

Neither 九宮姓名學 nor 星星學子 shows ads.

### Which is updated more often, 九宮姓名學 or 星星學子?

九宮姓名學 ships an update every 2 months, and 星星學子 every 2 months. Most recently, 九宮姓名學 was updated on October 24, 2026 and 星星學子 on October 22, 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.*