# PDF Format Converter vs Scan to PDF・Document Scanner

The clearest difference is rating: Scan to PDF・Document Scanner at 4.8 against PDF Format Converter's 4.5. Scan to PDF・Document Scanner also leads on ratings volume (133 vs 14) and iOS requirement (14.1 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Format Converter sells 3 in-app purchases, starting at $5.99 per month and Scan to PDF・Document Scanner sells 12 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scan to PDF・Document Scanner holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Scan to PDF・Document Scanner has 133 ratings behind it against 14, so its average is the more settled of the two.

PDF Format Converter ships an update every 2 months, Scan to PDF・Document Scanner monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Format Converter | Scan to PDF・Document Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (14 ratings)](https://appshunter.io/ios/app/pdf-format-converter/id1670073358/reviews) | **[4.8 (133 ratings)](https://appshunter.io/ios/app/scan-to-pdfdocument-scanner/id6443564304/reviews)** |
| Number of ratings | 14 | **133** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 69 MB | 75 MB |
| Requires iOS | 17.6 | **14.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Petr Polasek](https://appshunter.io/developer/1613323784) | [RIJIPUPS OU](https://appshunter.io/developer/1594002879) |

## What reviewers say

### PDF Format Converter

[App page](https://appshunter.io/ios/app/pdf-format-converter/id1670073358)

This app offers a comprehensive suite of tools for managing PDF files on iOS devices. It allows users to convert various document formats to PDF, scan paper documents, edit and annotate existing PDFs, and create new PDF documents from scratch. Secure local storage ensures document privacy.

**Highlights:** Convert Word, Excel, PowerPoint, and images to PDF, Scan and convert paper documents to high-quality PDFs, Edit, annotate, and fill PDF forms, Create PDFs from scratch with text and image editing, Secure local document storage, Print documents via AirPrint

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Month Plan | $5.99 | per month |
| Premium 1 Week | $9.99 | per 7 days |
| 1 Year plan | $29.99 | per year |


### Scan to PDF・Document Scanner

[App page](https://appshunter.io/ios/app/scan-to-pdfdocument-scanner/id6443564304)

Transform your phone into a powerful PDF scanner and document manager. Easily scan, edit, and organize documents in various formats, with features like OCR and digital signatures. Ideal for professionals and students needing efficient document handling.

**Highlights:** Automatic document border detection, Multi-page scanning, OCR text recognition, Digital signatures and watermarks, PDF, JPG, ZIP export, Offline file storage

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scanner PRO | $3.99 | per 7 days |
| Scanner PRO | $4.99 | per 7 days |
| Scanner PRO | $6.99 | per 7 days |
| Scanner PRO | $6.99 | per 7 days |
| Scanner PRO | $6.99 | per 7 days |
| Scanner PRO | $6.99 | per 7 days |
| Scanner PRO | $8.99 | per 7 days |
| Scanner PRO | $9.99 | per month |
| Premium | $19.99 | per year |
| Scanner PRO | $29.99 | per 6 months |
| Scanner PRO | $39.99 | per year |
| Premium | $39.99 | per year |


## Frequently asked questions

### Is PDF Format Converter free?

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

### Is Scan to PDF・Document Scanner free?

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

### Which has better reviews, PDF Format Converter or Scan to PDF・Document Scanner?

Scan to PDF・Document Scanner is rated higher. PDF Format Converter averages 4.5 out of 5 from 14 ratings, while Scan to PDF・Document Scanner averages 4.8 from 133 ratings.

### Do PDF Format Converter or Scan to PDF・Document Scanner have ads?

Both PDF Format Converter and Scan to PDF・Document Scanner show ads.

### Which is updated more often, PDF Format Converter or Scan to PDF・Document Scanner?

PDF Format Converter ships an update every 2 months, and Scan to PDF・Document Scanner monthly. Most recently, PDF Format Converter was updated on October 27, 2026 and Scan to PDF・Document Scanner 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.*