# PDF OCR Pro vs Scientific Timer

The clearest difference is ads: PDF OCR Pro at none against Scientific Timer's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PDF OCR Pro | Scientific Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/pdf-ocr-pro/id6738633268/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 6 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Layerz Corp.](https://appshunter.io/developer/1617729865) | [Stephane Boutet](https://appshunter.io/developer/1794014850) |

## What reviewers say

### PDF OCR Pro

[App page](https://appshunter.io/ios/app/pdf-ocr-pro/id6738633268)

This app offers a comprehensive suite of tools for managing PDF files. It allows you to extract text using OCR, convert PDFs to images, secure documents with passwords, and merge or split files. It also enables creating PDFs from images and converting webpages into PDF format, all while ensuring your data remains private through offline processing.

**Highlights:** Extract text with OCR, Convert PDF to images, Secure PDFs with passwords, Merge or split PDFs, Create PDFs from images, Convert webpages to PDF, Compress file size

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

**In-app purchases:** none


### Scientific Timer

[App page](https://appshunter.io/ios/app/scientific-timer/id6741395405)

**In-app purchases:** none


## Frequently asked questions

### Is PDF OCR Pro free?

PDF OCR Pro is free to download, with no in-app purchases.

### Is Scientific Timer free?

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

### Do PDF OCR Pro or Scientific Timer have ads?

Scientific Timer shows ads; PDF OCR Pro does not.

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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.*