# Polaris Viewer vs Daum Mail

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.

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. Both last shipped on November 2, 2026.

## The numbers

| Metric | Polaris Viewer | Daum Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (74 ratings)](https://appshunter.io/ios/app/polaris-viewer-pdf-document/id1361508774/reviews)** | [2.9 (13 ratings)](https://appshunter.io/ios/app/daum-mail/id1455817344/reviews) |
| Number of ratings | **74** | 13 |
| Positive reviews | **56.4% of reviews** | 43.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 177 MB | 112 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polaris Office Corp.](https://appshunter.io/developer/380275428) | [Daum Corp.](https://appshunter.io/developer/1851376782) |

## 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 |


### Daum Mail

[App page](https://appshunter.io/ios/app/daum-mail/id1455817344)

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.

**Highlights:** Group emails by sender, Categorize messages with filters, Preview attachments with thumbnails, Swipe to archive or delete, Passcode lock for security, Tablet-optimized view

**In-app purchases:** none


## Frequently asked questions

### Is Polaris Viewer free?

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

### Is Daum Mail free?

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

### Which has better reviews, Polaris Viewer or Daum Mail?

Polaris Viewer is rated higher. Polaris Viewer averages 4.6 out of 5 from 74 ratings, while Daum Mail averages 2.9 from 13 ratings.

### Do Polaris Viewer or Daum Mail have ads?

Polaris Viewer shows ads; Daum Mail does not.

### Which is updated more often, Polaris Viewer or Daum Mail?

Polaris Viewer ships an update every 3 months, and Daum Mail every 5 weeks. Most recently, Polaris Viewer was updated on November 2, 2026 and Daum Mail on November 2, 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.*