Polaris Viewer vs ezPDF DRM Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Polaris Viewer
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.
- 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
Read full descriptionHide full description
Polaris Office, selected by 100 million users across the world, provides mobile optimized document viewer at the requests of numerous users. Using compact and stable Polaris Office Viewer which takes some edit functions out and strengthens view function, quickly and easily manage all the document files such as Microsoft Office, TXT, Zip file, as well as Adobe PDF! ■ Supporting Languages ■ • English, Korean, Japanese, German, Russian, Indonesian, Brazilian Portuguese ■ Supported formats ■ • (NEW) Now we support CSV format. • Microsoft Word : DOC, DOCX • Microsoft Excel : XLS, XLSX • Microsoft Powerpoint : PPT, PPTX, PPS, PPSX • Other documents and files : PDF, TXT, ODT, Zip ■ Main functions ■ Mobile optimized document viewer : Supporting must-have functions to easily view the documents in Mobile. • Landscape mode / Portrait mode / Multi window mode • View per page, View in a row • Able to dim the screen and choose background (Providing Night mode and Paper texture) • Supporting text copy function in document Smart document managing : Supporting the functions for managing various documents more efficiently. • Able to check all the documents in My device storage & other cloud service (Supporting iCloud, Google Drive, Dropbox, OneDrive, Box, WebDAV, FTP) • Able to manage main documents separately through bookmark settings. • Support various sorting methods. (Name order / Date order / Size order etc) • Support view function per document format. • Able to search document you need through search function. • Able to use App lock function (via fingerprint, face, password) ■ Note ■ • Homepage : Polarisoffice.com • Facebook : facebook.com/polarisoffice • Youtube : youtube.com/user/infrawareinc • Inquiry : support@polarisoffice.com • Terms and Conditions and Privacy Policy : www.polarisoffice.com/privacy
ezPDF DRM Reader
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.
- View DRM-protected PDFs
- Open unprotected PDFs
- Requires login for secured files
- Compatible with ezPDF Editor 3.0 documents
Read full descriptionHide full description
The ezPDF DRM Reader is a dedicated viewer for viewing secured documents created with the ezPDF Editor 3.0. The main features of this app are open any non-protected PDF documents and open ezPDF DRM-protected PDF. The non-protected PDF files can be opened without logging in. However, ezPDF DRM-protected PDF requires log-in prior to open the file.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Polaris Viewer | ezPDF DRM Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (74 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 56.4% of reviews — better | 7.7% of reviews |
| Number of ratings | 74 — better | 4 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 177 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Polaris Office Corp. | Unidocs Inc. |
Customer experience
Polaris Viewer
ezPDF DRM Reader
In-app purchases
Polaris Viewer
- Remove Ads$10.99
ezPDF DRM Reader
No in-app purchases
