# Quadriga vs PDF Scanner & Converter

The clearest difference is in-app purchases: Quadriga at none against PDF Scanner & Converter's 7. Quadriga also leads on ads (none vs shown) and iOS requirement (8.0 vs 14.0). PDF Scanner & Converter's advantage is update cadence (every 2 weeks vs every 17 months). On price and device support there is nothing between them.

Both are free to download. PDF Scanner & Converter sells 7 in-app purchases, starting at $4.49 per month. Quadriga asks for nothing beyond the download.

Quadriga ships an update every 17 months, PDF Scanner & Converter every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Quadriga | PDF Scanner & Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-scanner-and-converter/id1570963513/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 88 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quadriga Informatik GmbH](https://appshunter.io/developer/908958003) | [Followal Infotech LLP](https://appshunter.io/developer/1460210464) |

## What reviewers say

### Quadriga

[App page](https://appshunter.io/ios/app/quadriga-mobile/id1041306081)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Scanner & Converter

[App page](https://appshunter.io/ios/app/pdf-scanner-and-converter/id1570963513)

Transform your mobile device into a robust PDF scanner and converter. Easily capture documents, convert images and Word files to PDF, extract text with OCR, and digitally sign your documents. Manage all your document needs efficiently.

**Highlights:** Scan documents, receipts, and notes, Convert images and Word files to PDF, Extract text using OCR, Digitally sign PDFs, Merge and split PDF files, Securely save and share PDFs

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.49 | per month |
| Weekly Subscription | $9.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| yearly subscription | $10.49 | per year |
| Yearly Subscription | $49.99 | per year |
| Yearly Subscription | $49.99 | per year |
| Lifetime | $109.99 | one-time |


## Frequently asked questions

### Is Quadriga free?

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

### Is PDF Scanner & Converter free?

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

### Do Quadriga or PDF Scanner & Converter have ads?

PDF Scanner & Converter shows ads; Quadriga does not.

### Which is updated more often, Quadriga or PDF Scanner & Converter?

Quadriga ships an update every 17 months, and PDF Scanner & Converter every 2 weeks. Most recently, Quadriga was updated on November 2, 2026 and PDF Scanner & Converter on November 3, 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.*