# F4fish vs PDF Scanner

The clearest difference is in-app purchases: F4fish at none against PDF Scanner's 9. F4fish also leads on ads (none vs shown). PDF Scanner's advantage is update cadence (every 6 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 8 in-app purchases, starting at $2.99 per 7 days. F4fish asks for nothing beyond the download.

F4fish ships an update every 3 weeks, PDF Scanner every 6 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | F4fish | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/pdf-scanner-scan-and-sign-docs/id6753210975/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 98 MB | 70 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WYND TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1789322456) | [Alexandr Evstratenko](https://appshunter.io/developer/1671436264) |

## What reviewers say

### F4fish

[App page](https://appshunter.io/ios/app/f4fish/id6738649231)

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

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-scan-and-sign-docs/id6753210975)

Transform your device into a powerful document scanner. Quickly digitize papers, extract text with OCR, and add digital signatures. All processing occurs on your device for enhanced privacy and offline functionality.

**Highlights:** Automatic and manual scanning, OCR text extraction, Handwritten signature addition, Save as PDF or JPG, Offline processing, Document organization, Batch processing

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanner Pro | $2.99 | per 7 days |
| Scanner Pro | $4.99 | per 7 days |
| Scanner Pro | $4.99 | per 7 days |
| Scanner Pro | $6.99 | per 7 days |
| Scanner Pro | $29.99 | per year |
| Scanner Pro | $29.99 | per year |
| Scanner Pro | $49.99 | per year |
| Scanner Pro | $49.99 | per year |


## Frequently asked questions

### Is F4fish free?

F4fish is free to download, with no in-app purchases.

### Is PDF Scanner free?

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

### Do F4fish or PDF Scanner have ads?

PDF Scanner shows ads; F4fish does not.

### Which is updated more often, F4fish or PDF Scanner?

F4fish ships an update every 3 weeks, and PDF Scanner every 6 days. Most recently, F4fish was updated on October 23, 2026 and PDF Scanner 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.*