# Polaris Viewer vs ezPDF DRM Reader

The clearest difference is review sentiment: Polaris Viewer at 56% against ezPDF DRM Reader's 8%. Polaris Viewer also leads on rating (4.6 vs 2.0) and ratings volume (74 vs 4). ezPDF DRM Reader's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Polaris Viewer sells 1 one-off in-app purchase. ezPDF DRM Reader asks for nothing beyond the download.

Polaris Viewer holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Polaris Viewer has 74 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 56% of Polaris Viewer's written reviews are positive against 8% of ezPDF DRM Reader's.

Polaris Viewer ships an update every 3 months, ezPDF DRM Reader monthly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Polaris Viewer | ezPDF DRM Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (74 ratings)](https://appshunter.io/ios/app/polaris-viewer-pdf-document/id1361508774/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/ezpdf-drm-reader/id1367348074/reviews) |
| Number of ratings | **74** | 4 |
| Positive reviews | **56.4% of reviews** | 7.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 177 MB | 39 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polaris Office Corp.](https://appshunter.io/developer/380275428) | [Unidocs Inc.](https://appshunter.io/developer/396101795) |

## What reviewers say

### Polaris Viewer

[App page](https://appshunter.io/ios/app/polaris-viewer-pdf-document/id1361508774)

This app offers a mobile-optimized experience for viewing various document types, including Microsoft Office files, PDFs, and TXT. It provides smart document management features and supports cloud integration for easy access to your files.

**Highlights:** Mobile optimized document viewer, Supports Microsoft Office, PDF, TXT, Zip, CSV, Cloud storage integration (iCloud, Google Drive, Dropbox, etc.), Smart document management, App lock with fingerprint, face, or password, Night mode and paper texture background options

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $10.99 | one-time |


### ezPDF DRM Reader

[App page](https://appshunter.io/ios/app/ezpdf-drm-reader/id1367348074)

This application allows users to view both standard and DRM-protected PDF files. It requires a login for secured documents but opens unprotected PDFs without one. It is designed for users who need to access documents created with ezPDF Editor 3.0.

**Highlights:** View DRM-protected PDFs, Open unprotected PDFs, Requires login for secured files, Compatible with ezPDF Editor 3.0 documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Polaris Viewer free?

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

### Is ezPDF DRM Reader free?

ezPDF DRM Reader is free to download, with no in-app purchases.

### Which has better reviews, Polaris Viewer or ezPDF DRM Reader?

Polaris Viewer is rated higher. Polaris Viewer averages 4.6 out of 5 from 74 ratings, while ezPDF DRM Reader averages 2.0 from 4 ratings.

### Do Polaris Viewer or ezPDF DRM Reader have ads?

Polaris Viewer shows ads; ezPDF DRM Reader does not.

### Which is updated more often, Polaris Viewer or ezPDF DRM Reader?

Polaris Viewer ships an update every 3 months, and ezPDF DRM Reader monthly. Most recently, Polaris Viewer was updated on October 24, 2026 and ezPDF DRM Reader on October 21, 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.*