# 试卷帮 vs 公文岛

The clearest difference is rating: 公文岛 at 5.0 against 试卷帮's 4.5. 公文岛 also leads on ads (none vs shown). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. 试卷帮 sells 5 in-app purchases, starting at $3.99 per 7 days 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.

公文岛 holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews point the same way: 86% of 试卷帮's written reviews are positive against 88% of 公文岛's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 试卷帮 | 公文岛 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/id6469746768/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/ai-and/id6476187281/reviews)** |
| Number of ratings | 4 | **10** |
| Positive reviews | 86.4% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 13 MB | 24 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [胜财 陈](https://appshunter.io/developer/1683036692) | [Mge Information Technology Co.,Ltd](https://appshunter.io/developer/1593551251) |

## What reviewers say

### 试卷帮

[App page](https://appshunter.io/ios/app/id6469746768)

This tool helps students and content creators by digitizing study materials and extracting text from various media. It features exam paper restoration, error tracking, and bulk text extraction from images, videos, and audio.

**Highlights:** Erase handwriting from exam papers, Digital error notebook, Batch text extraction, Extract text from videos and audio, Recognize text in images, Recommended content

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| 月会员 | $7.99 | per month |
| 季度会员 | $9.99 | per 3 months |
| 年会员 | $29.99 | per year |
| 永久会员 | $19.99 | 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 试卷帮 free?

试卷帮 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.

### Which has better reviews, 试卷帮 or 公文岛?

公文岛 is rated higher. 试卷帮 averages 4.5 out of 5 from 4 ratings, while 公文岛 averages 5.0 from 10 ratings.

### Do 试卷帮 or 公文岛 have ads?

试卷帮 shows ads; 公文岛 does not.

### Which is updated more often, 试卷帮 or 公文岛?

试卷帮 ships an update every 3 weeks, and 公文岛 every 3 weeks. Most recently, 试卷帮 was updated on October 21, 2026 and 公文岛 on October 16, 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.*