# 趣学岛 vs StudySojourn

The clearest difference is update cadence: StudySojourn at every 3 days against 趣学岛's fortnightly. 趣学岛's advantage is iOS requirement (13.0 vs 15.0). 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.

趣学岛 ships an update fortnightly, StudySojourn every 3 days. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 趣学岛 | StudySojourn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 538 MB | 63 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [清泉 孙](https://appshunter.io/developer/1062139969) | [成 黄](https://appshunter.io/developer/6787037004) |

## What reviewers say

### 趣学岛

[App page](https://appshunter.io/ios/app/id6770409810)

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

**In-app purchases:** none


### StudySojourn

[App page](https://appshunter.io/ios/app/studysojourn/id6787097198)

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

**In-app purchases:** none


## Frequently asked questions

### Is 趣学岛 free?

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

### Is StudySojourn free?

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

### Do 趣学岛 or StudySojourn have ads?

Neither 趣学岛 nor StudySojourn shows ads.

### Which is updated more often, 趣学岛 or StudySojourn?

趣学岛 ships an update fortnightly, and StudySojourn every 3 days. Most recently, 趣学岛 was updated on September 28, 2026 and StudySojourn on October 9, 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.*