# 压缩专家 vs pScanner

The clearest difference is in-app purchases: 压缩专家 at none against pScanner's 12. 压缩专家 also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). pScanner's advantage is ads (none vs shown) and rating (4.6 vs 4.2). On price, review sentiment and ratings volume there is nothing between them.

Both are free to download. pScanner sells 9 in-app purchases, starting at $3.99 per 7 days. 压缩专家 asks for nothing beyond the download.

pScanner holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 76 and 144 respectively. Written reviews split almost evenly too, at 63% and 63% positive.

压缩专家 ships an update every 2 months, pScanner every 8 days. The most recent releases landed on August 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 压缩专家 | pScanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (76 ratings)](https://appshunter.io/ios/app/id1482479741/reviews) | **[4.6 (144 ratings)](https://appshunter.io/ios/app/pscannerpdf-document-scanner/id6695751104/reviews)** |
| Number of ratings | 76 | **144** |
| Positive reviews | 62.5% of reviews | **63.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 98 MB | 390 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [岚 赵](https://appshunter.io/developer/1352261434) | [AGI Scanner Technology Co., Ltd.](https://appshunter.io/developer/1896744266) |

## What reviewers say

### 压缩专家

[App page](https://appshunter.io/ios/app/id1482479741)

This tool efficiently compresses various file types including documents, videos, audio, and images. It helps optimize phone storage by cleaning up duplicate photos and unnecessary data, making file transfer and sharing easier.

**Highlights:** Full-format file compression, Quick packaging and sharing, Intelligent photo album optimization, Deep phone storage cleanup, Supports documents, videos, audio, images, PDFs, GIFs

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

**In-app purchases:** none


### pScanner

[App page](https://appshunter.io/ios/app/pscannerpdf-document-scanner/id6695751104)

Transform your phone into a powerful scanner to digitize documents, receipts, and IDs. Convert scans to various formats like PDF, Word, and TXT, with OCR for text extraction. Securely share and print your digital files with ease.

**Highlights:** HD scans with auto-edge cropping, OCR text recognition, PDF generation with signatures and watermarks, Multi-format export (Word, TXT, JPG), Wireless printing, ID and card scanning, Secure file encryption

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pScanner Premium | $3.99 | per 7 days |
| pScanner Premium | $3.99 | per 7 days |
| pScanner Premium | $8.99 | per month |
| pScanner Premium | $9.99 | per 3 months |
| pScanner Premium | $39.99 | per 6 months |
| pScanner Premium | $39.99 | per year |
| pScanner Premium | $69.99 | per year |
| pScanner Premium | Free | one-time |
| 终身买断用户 | $399.00 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Useful scanning and editing features
- 🚀 Fast processing speed

**What reviewers complain about**

- 🐛 Slow identification/scanning
- 🔒 Paid features not as advertised
- 🔋 High storage consumption

**Reported bugs**

- Unable to import local files
- Scanning issues with thick books

**Requested features**

- Add night mode
- Implement finger removal tool
- Include password-protected PDF signing


## Frequently asked questions

### Is 压缩专家 free?

压缩专家 is free to download, with no in-app purchases.

### Is pScanner free?

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

### Which has better reviews, 压缩专家 or pScanner?

pScanner is rated higher. 压缩专家 averages 4.2 out of 5 from 76 ratings, while pScanner averages 4.6 from 144 ratings.

### Do 压缩专家 or pScanner have ads?

压缩专家 shows ads; pScanner does not.

### Which is updated more often, 压缩专家 or pScanner?

压缩专家 ships an update every 2 months, and pScanner every 8 days. Most recently, 压缩专家 was updated on August 17, 2026 and pScanner on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*