Polaris Viewer vs Daum Mail
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
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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
Daum Mail
Manage your emails efficiently with features like sender grouping, message filtering, and attachment previews. Quickly archive or delete messages with swipe gestures and secure your inbox with a passcode lock. Optimized for tablet use, it offers a streamlined email experience.
- Group emails by sender
- Categorize messages with filters
- Preview attachments with thumbnails
- Swipe to archive or delete
- Passcode lock for security
- Tablet-optimized view
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※ Daum Mail app requires iOS 15 version. [Key Features] 1. View by Sender Easily group by email address. Simply manage messages with Daum Mail app. 2. Filters Easily categorize your messages in 4 types of filters. Check all of your starred, attached, unread messages in one page by a single click. 3. Preview attachment Check images attached in one glance by using 'attachment list.' You can also check the file easily by using 'thumbnail view' while writing and reading a message. 4. Swipe Just swipe your messages to archive or delete. You can simply delete or archive messages from the list. 5. Passcode lock Keeps your messages safe. Even though you lose your phone, your emails will be safe from others. 6. Tablet view support Mail optimized for a tablet environment. View more pleasantly with a wider screen! [Service Access Guide] * You can use the service even if you do not agree to grant selective permissions. * If you do not agree to grant selective permissions, it may be difficult to normally use some of our service functions. [Selective Permissions] - Photos: Required to grant selective permissions to send photos and videos to the Daum Mail app. - Camera: Required to grant selective permissions to take photos and send them to the Daum Mail app. - Contacts: Required to grant selective permissions to email addresses registered on your device to the Daum Mail app. - Notification : Permissions required to provide notifications of new mail arrivals and other information. - Face ID: Permissions required to unlock the app lock using Face ID instead of a password. [Daum Customer Service Center] - FAQ: https://cs.daum.net/faq/service/43/category/4592 - Contact us: https://cs.daum.net/
Screenshots
Verdict
The clearest difference is rating: Polaris Viewer at 4.6 against Daum Mail's 2.9. Polaris Viewer also leads on review sentiment (56% vs 44%) and ratings volume (74 vs 13). Daum Mail'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. Daum Mail asks for nothing beyond the download.
Polaris Viewer holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Polaris Viewer has 74 ratings behind it against 13, 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 44% of Daum Mail's.
Polaris Viewer ships an update every 3 months, Daum Mail every 5 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.
| Parameter | Polaris Viewer | Daum Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (74 ratings) — better | 2.9 (13 ratings) |
| Positive reviews | 56.4% of reviews — better | 43.6% of reviews |
| Number of ratings | 74 — better | 13 |
| Update frequency | Every 3 months | Every 5 weeks — 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 — better | 15.0 |
| Further details — not scored | ||
| Size | 177 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Polaris Office Corp. | Daum Corp. |
Customer experience
Polaris Viewer
Daum Mail
In-app purchases
Polaris Viewer
- Remove Ads$10.99
Daum Mail
No in-app purchases








