# 罗盘及工具 vs 星星學子

The clearest difference is ads: 星星學子 at none against 罗盘及工具's shown. 罗盘及工具's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (22 vs 5). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. 罗盘及工具 sells 2 one-off in-app purchases and 星星學子 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 罗盘及工具 against 5.0 for 星星學子. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews are what separate them: 100% of 罗盘及工具's written reviews are positive against 96% of 星星學子's.

罗盘及工具 ships an update every 2 weeks, 星星學子 every 2 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 罗盘及工具 | 星星學子 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (22 ratings)](https://appshunter.io/ios/app/id1229968155/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/id6467391774/reviews)** |
| Number of ratings | **22** | 5 |
| Positive reviews | **100.0% of reviews** | 95.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 112 MB | 27 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [涛 殷](https://appshunter.io/developer/478791127) | [Animen](https://appshunter.io/developer/1172084025) |

## What reviewers say

### 罗盘及工具

[App page](https://appshunter.io/ios/app/id1229968155)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RMB 25 - Ad Free | $3.99 | one-time |
| 内购去广告 | $6.99 | one-time |


### 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 罗盘及工具 free?

罗盘及工具 is free to download, with in-app purchases available.

### Is 星星學子 free?

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

### Which has better reviews, 罗盘及工具 or 星星學子?

星星學子 is rated higher. 罗盘及工具 averages 5.0 out of 5 from 22 ratings, while 星星學子 averages 5.0 from 5 ratings.

### Do 罗盘及工具 or 星星學子 have ads?

罗盘及工具 shows ads; 星星學子 does not.

### Which is updated more often, 罗盘及工具 or 星星學子?

罗盘及工具 ships an update every 2 weeks, and 星星學子 every 2 months. Most recently, 罗盘及工具 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.*