# 星星课堂 vs Onsei

The clearest difference is update cadence: Onsei at every 10 days against 星星课堂's every 3 weeks. 星星课堂's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

星星课堂 ships an update every 3 weeks, Onsei every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 星星课堂 | Onsei |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 56 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Guizhou Mobukaixing Technology Co., Ltd.](https://appshunter.io/developer/1819394556) | [鑫 陈](https://appshunter.io/developer/1709457072) |

## What reviewers say

### 星星课堂

[App page](https://appshunter.io/ios/app/id6748935283)

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

**In-app purchases:** none


### Onsei

[App page](https://appshunter.io/ios/app/onsei/id6761715885)

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

**In-app purchases:** none


## Frequently asked questions

### Is 星星课堂 free?

星星课堂 is free to download, with no in-app purchases.

### Is Onsei free?

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

### Do 星星课堂 or Onsei have ads?

Neither 星星课堂 nor Onsei shows ads.

### Which is updated more often, 星星课堂 or Onsei?

星星课堂 ships an update every 3 weeks, and Onsei every 10 days. Most recently, 星星课堂 was updated on October 30, 2026 and Onsei on October 31, 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.*