# Yinbei vs 论文岛

The clearest difference is in-app purchases: Yinbei at none against 论文岛's 3. Yinbei also leads on iOS requirement (12.1 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 论文岛 sells 3 in-app purchases, starting at $12.99 per month. Yinbei asks for nothing beyond the download.

Yinbei ships an update every 6 weeks, 论文岛 every 2 months. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Yinbei | 论文岛 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 50 MB | 42 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Incus Company Limited](https://appshunter.io/developer/1488894824) | [HH Tech Co.,Ltd](https://appshunter.io/developer/1774378182) |

## What reviewers say

### Yinbei

[App page](https://appshunter.io/ios/app/yinbei/id1488894825)

**Features:** macOS Compatibility

**In-app purchases:** none


### 论文岛

[App page](https://appshunter.io/ios/app/ai-and/id6740133045)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $12.99 | per month |
| 年度会员 | $24.99 | per year |
| 终身会员 | $39.99 | one-time |


## Frequently asked questions

### Is Yinbei free?

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

### Is 论文岛 free?

论文岛 is free to download, with in-app purchases available.

### Do Yinbei or 论文岛 have ads?

Neither Yinbei nor 论文岛 shows ads.

### Which is updated more often, Yinbei or 论文岛?

Yinbei ships an update every 6 weeks, and 论文岛 every 2 months. Most recently, Yinbei was updated on November 7, 2026 and 论文岛 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.*