# PDF Reader Pro vs Scanner App ‧  Scan to PDF

The clearest difference is ads: Scanner App ‧  Scan to PDF at none against PDF Reader Pro's shown. Scanner App ‧  Scan to PDF also leads on update cadence (every 2 weeks vs every 2 months) and review sentiment (75% vs 64%). PDF Reader Pro's advantage is ratings volume (435 vs 31). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Reader Pro sells 6 in-app purchases, starting at $39.99 per year and Scanner App ‧  Scan to PDF sells 9 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for PDF Reader Pro against 4.4 for Scanner App ‧  Scan to PDF. That said, the two scores are not equally well evidenced: PDF Reader Pro has 435 ratings behind it against 31, so its average is the more settled of the two. Written reviews are what separate them: 64% of PDF Reader Pro's written reviews are positive against 75% of Scanner App ‧  Scan to PDF's.

PDF Reader Pro ships an update every 2 months, Scanner App ‧  Scan to PDF every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro | Scanner App ‧  Scan to PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (435 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-lite-edition/id919472509/reviews) | **[4.4 (31 ratings)](https://appshunter.io/ios/app/scanner-app-scan-to-pdf/id1588147214/reviews)** |
| Number of ratings | **435** | 31 |
| Positive reviews | 63.7% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 238 MB | 100 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PDF Technologies, Inc.](https://appshunter.io/developer/1263126485) | [Tensortech Apps](https://appshunter.io/developer/1605599894) |

## What reviewers say

### PDF Reader Pro

[App page](https://appshunter.io/ios/app/pdf-reader-pro-lite-edition/id919472509)

This app offers comprehensive tools for managing PDF documents on mobile devices. It allows users to read, edit text and images, annotate, fill forms, convert to various formats, compress files, and perform OCR. Organize, protect, and share your PDFs with ease.

**Highlights:** Read PDFs with multiple viewing options, Edit PDF text and images, Annotate with highlights, notes, and drawings, Fill out PDF forms, Convert PDFs to Word, Excel, and other formats, Perform OCR on PDFs, Compress PDF file sizes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 2-Device · Advanced Annual | $39.99 | per year |
| Add Devices · Advanced Annual | $49.99 | per year |
| PDF Pro · Advanced Annual | $79.99 | per year |
| PDF Pro · AI Annual | $79.99 | per year |
| Permanent License | $24.99 | one-time |
| PDF Pro · Advanced Permanent | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- 💡 Useful features like highlighting and annotating
- 👍 Great for reading and studying PDFs

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🔒 Security issues with locked files
- 💰 Expensive upgrade to unlock full functionality
- 🤖 Poor customer support and unresponsive developers

**Reported bugs**

- Annotations not saving or displaying correctly
- App crashing when trying to convert or edit PDFs
- Syncing issues between devices
- Unexpected password locks on files

**Requested features**

- Undo/redo functionality for annotations
- More font and theme options
- Improved compatibility with cloud storage services
- Better support for older devices


### Scanner App ‧  Scan to PDF

[App page](https://appshunter.io/ios/app/scanner-app-scan-to-pdf/id1588147214)

Transform your iPhone or iPad into a powerful office scanner. Easily scan documents and photos to PDF or JPG, sign them electronically, and share them instantly. Secure your files with password protection and enjoy unlimited scanning with the highest quality.

**Highlights:** Scan documents and photos to PDF or JPG, Sign documents with electronic signature, Scan multiple pages into one document, Secure documents with password protection, Share scanned documents instantly, Automatic page detection and cropping, Cloud service integration (Dropbox, Google Drive, etc.)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanner Pro - Weekly | $6.99 | per 7 days |
| Scanner Pro - Monthly | $9.99 | per month |
| Scanner Pro - Weekly Trial | $9.99 | per 7 days |
| Scanner Pro | $9.99 | per 7 days |
| Scanner Pro - Yearly | $35.99 | per year |
| Scanner Pro - Quarterly Trial | $39.99 | per 3 months |
| Scanner Pro - Yearly | $49.99 | per year |
| Scanner Pro | $89.99 | per year |
| Scanner Pro - Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is PDF Reader Pro free?

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

### Is Scanner App ‧  Scan to PDF free?

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

### Which has better reviews, PDF Reader Pro or Scanner App ‧  Scan to PDF?

Scanner App ‧  Scan to PDF is rated higher. PDF Reader Pro averages 4.4 out of 5 from 435 ratings, while Scanner App ‧  Scan to PDF averages 4.4 from 31 ratings.

### Do PDF Reader Pro or Scanner App ‧  Scan to PDF have ads?

PDF Reader Pro shows ads; Scanner App ‧  Scan to PDF does not.

### Which is updated more often, PDF Reader Pro or Scanner App ‧  Scan to PDF?

PDF Reader Pro ships an update every 2 months, and Scanner App ‧  Scan to PDF every 2 weeks. Most recently, PDF Reader Pro was updated on October 29, 2026 and Scanner App ‧  Scan to PDF on October 30, 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.*