# PDF Scanner App vs PDF Compressor App

The clearest difference is in-app purchases: PDF Scanner App at none against PDF Compressor App's 1. PDF Scanner App also leads on device support (3 vs 1) and iOS requirement (13.4 vs 18.5). PDF Compressor App's advantage is update cadence (every 6 days vs every 7 months). On price, review sentiment and ads there is nothing between them.

Both are free to download. PDF Compressor App sells 1 one-off in-app purchase. PDF Scanner App asks for nothing beyond the download.

PDF Scanner App ships an update every 7 months, PDF Compressor App every 6 days. The most recent releases landed on August 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PDF Scanner App | PDF Compressor App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pdf-scanner-app-ocr-and-scan/id6741478736/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 8 MB |
| Requires iOS | **13.4** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [婉媚 邵](https://appshunter.io/developer/1297240696) | [Kirti Arya](https://appshunter.io/developer/1828768620) |

## What reviewers say

### PDF Scanner App

[App page](https://appshunter.io/ios/app/pdf-scanner-app-ocr-and-scan/id6741478736)

Transform your device into a powerful, offline PDF scanner and OCR tool. Quickly scan, sign, and organize documents with advanced editing features and secure, on-device processing. Extract text from images and scan QR codes effortlessly.

**Highlights:** Offline document scanning, OCR text extraction, Digital signature addition, QR code and barcode scanning, Automatic edge detection, Multi-page document support, On-device privacy

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

**In-app purchases:** none


### PDF Compressor App

[App page](https://appshunter.io/ios/app/pdf-compressor-app/id6757333509)

Reduce the size of PDF documents and images on your iPhone with this privacy-focused tool. Choose from three compression levels to balance file size and quality, and easily manage, save, or share your compressed files offline.

**Highlights:** Compress PDF documents, Compress images (JPG, PNG), Three compression levels, Offline functionality, Secure and private, Manage compressed files, Instant sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Subscription | $0.99 | one-time |


## Frequently asked questions

### Is PDF Scanner App free?

PDF Scanner App is free to download, with no in-app purchases.

### Is PDF Compressor App free?

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

### Do PDF Scanner App or PDF Compressor App have ads?

Neither PDF Scanner App nor PDF Compressor App shows ads.

### Which is updated more often, PDF Scanner App or PDF Compressor App?

PDF Scanner App ships an update every 7 months, and PDF Compressor App every 6 days. Most recently, PDF Scanner App was updated on August 13, 2026 and PDF Compressor App on September 9, 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.*