# PDF Reader PDF Viewer vs Écrin

The clearest difference is ads: PDF Reader PDF Viewer at none against Écrin's shown. PDF Reader PDF Viewer also leads on iOS requirement (13.0 vs 17.0). Écrin's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader PDF Viewer sells 2 in-app purchases, starting at $0.99 per month and Écrin sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Reader PDF Viewer ships an update every 3 weeks, Écrin every 5 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Reader PDF Viewer | Écrin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 39 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohit Rudani](https://appshunter.io/developer/1673702969) | [Regis PORTE](https://appshunter.io/developer/6799721107) |

## What reviewers say

### PDF Reader PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445)

Edit, sign, and share PDF documents on your iPhone. Import files from your gallery, convert them to PDF, and manage all your documents in one place. Offers a simple interface for reading, annotating, and creating PDFs.

**Highlights:** Edit and sign PDF documents, Import and convert to PDF, Read, comment, and annotate PDFs, Create new PDF files, Share documents as PDF, Offline PDF viewing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for 1 Month | $0.99 | per month |
| Remove ads for 1 Year | $3.99 | per year |


### Écrin

[App page](https://appshunter.io/ios/app/ecrin-private-space/id6813615546)

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Écrin Premium Monthly | $2.99 | per month |
| Écrin Family Monthly | $3.99 | per month |
| Écrin Premium Annual | $19.99 | per year |
| Écrin Family Annual | $24.99 | per year |


## Frequently asked questions

### Is PDF Reader PDF Viewer free?

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

### Is Écrin free?

Écrin is free to download, with in-app purchases available.

### Do PDF Reader PDF Viewer or Écrin have ads?

Écrin shows ads; PDF Reader PDF Viewer does not.

### Which is updated more often, PDF Reader PDF Viewer or Écrin?

PDF Reader PDF Viewer ships an update every 3 weeks, and Écrin every 5 days. Most recently, PDF Reader PDF Viewer was updated on October 19, 2026 and Écrin on October 24, 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.*