# AI晓百科 vs 公文岛

The clearest difference is update cadence: 公文岛 at every 3 weeks against AI晓百科's every 2 months. AI晓百科's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI晓百科 sells 5 one-off in-app purchases and 公文岛 sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI晓百科 ships an update every 2 months, 公文岛 every 3 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AI晓百科 | 公文岛 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/ai-and/id6476187281/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 24 MB | 24 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HONGKONG COOLMIND LIMITED](https://appshunter.io/developer/1607306779) | [Mge Information Technology Co.,Ltd](https://appshunter.io/developer/1593551251) |

## What reviewers say

### AI晓百科

[App page](https://appshunter.io/ios/app/ai/id6447773351)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | one-time |
| 月会员 | $4.99 | one-time |
| 年会员 | $9.99 | one-time |
| 终身会员（优惠） | $12.99 | one-time |
| 终身会员 | $14.99 | one-time |


### 公文岛

[App page](https://appshunter.io/ios/app/ai-and/id6476187281)

This AI-powered writing tool assists with various content creation needs, from short videos and marketing copy to formal documents and daily reports. It offers features like content generation, rewriting, and a comprehensive knowledge assistant to spark creativity and boost efficiency.

**Highlights:** AI-powered content generation, Text rewriting and paraphrasing, Formal document and report templates, Knowledge assistant for queries, Article expansion and continuation, Text summarization and extraction

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $2.99 | per 7 days |
| 月会员 | $6.99 | per month |
| 年会员 | $14.99 | per year |
| 永久会员 | $24.99 | one-time |


## Frequently asked questions

### Is AI晓百科 free?

AI晓百科 is free to download, with in-app purchases available.

### Is 公文岛 free?

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

### Do AI晓百科 or 公文岛 have ads?

Neither AI晓百科 nor 公文岛 shows ads.

### Which is updated more often, AI晓百科 or 公文岛?

AI晓百科 ships an update every 2 months, and 公文岛 every 3 weeks. Most recently, AI晓百科 was updated on October 13, 2026 and 公文岛 on October 24, 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.*