# WitBox vs 论文岛

The clearest difference is in-app purchases: WitBox at none against 论文岛's 3. WitBox also leads on iOS requirement (11.0 vs 15.6). 论文岛's advantage is ads (none vs shown). On price, update cadence 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. WitBox asks for nothing beyond the download.

WitBox ships an update every 3 months, 论文岛 every 2 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | WitBox | 论文岛 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 33 MB | 42 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [涛 余](https://appshunter.io/developer/1601007964) | [HH Tech Co.,Ltd](https://appshunter.io/developer/1774378182) |

## What reviewers say

### WitBox

[App page](https://appshunter.io/ios/app/witbox/id1601082031)

**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 WitBox free?

WitBox 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 WitBox or 论文岛 have ads?

WitBox shows ads; 论文岛 does not.

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

WitBox ships an update every 3 months, and 论文岛 every 2 months. Most recently, WitBox was updated on October 6, 2026 and 论文岛 on October 4, 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.*