# 钦天 vs 阿姨之星

The clearest difference is in-app purchases: 钦天 at none against 阿姨之星's 1. 阿姨之星's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 阿姨之星 sells 1 one-off in-app purchase. 钦天 asks for nothing beyond the download.

钦天 ships an update every 2 weeks, 阿姨之星 every 10 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 钦天 | 阿姨之星 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/id1619353073/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 54 MB | 139 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [金标 李](https://appshunter.io/developer/1059170129) | [北京都市港湾科技有限公司](https://appshunter.io/developer/1808622112) |

## What reviewers say

### 钦天

[App page](https://appshunter.io/ios/app/id1619353073)

**In-app purchases:** none


### 阿姨之星

[App page](https://appshunter.io/ios/app/id6744637643)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员年卡 | $99.99 | one-time |


## Frequently asked questions

### Is 钦天 free?

钦天 is free to download, with no in-app purchases.

### Is 阿姨之星 free?

阿姨之星 is free to download, with in-app purchases available.

### Do 钦天 or 阿姨之星 have ads?

Neither 钦天 nor 阿姨之星 shows ads.

### Which is updated more often, 钦天 or 阿姨之星?

钦天 ships an update every 2 weeks, and 阿姨之星 every 10 days. Most recently, 钦天 was updated on October 24, 2026 and 阿姨之星 on October 28, 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.*