Naver Mail vs ezPDF DRM Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Naver Mail
Manage your emails efficiently with this app. Organize messages by conversation or sender, filter for unread or important emails, and automatically sort promotional and social media messages. Compose emails with rich text formatting, attach files from cloud storage, and even translate messages.
- Organize emails by conversation or sender
- Filter unread, important, or VIP emails
- Automatic sorting of promotional and social emails
- Compose rich text emails with image insertion
- Attach files from cloud storage
- Built-in translation for foreign language emails
- Virus and malware detection
- Password lock for app security
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The NAVER Mail app is here to make your email management smarter! ※ The new NAVER Mail app can only be used on iOS 17.0 and up. 1. Easily find the mails you want. · You can group and view the mails collected in chronological order by conversation or person. · Use the filter feature to quickly group unread mails/important mails/mails with attachments/VIP mails. · You can separately view promotion mails, invoice/payment mails, and mails from social media services or NAVER Café, which are automatically classified to the smart mailbox. · The NAVER Mail app allows you to view and manage your frequently used external mailing accounts, such as Gmail and Outlook. 2. Write smart emails on the app. · Use bold/underline/colored fonts to emphasize important words, and insert images in your mail body. · You can attach and send files uploaded to your MYBOX. · Use the translation feature to write mails in foreign languages hassle-free. 3. Safeguard your mail. · We will detect and inform you in advance of files with viruses/malicious codes before attaching/downloading them. · Use the password lock to keep your mail app safe. 4. Supports Dark Mode, allowing you to comfortably read emails in low-light environments. ■ Details on Required Permissions · Contacts (Address Book): You can compose emails to email contacts stored in your device’s address book. · Camera: You can take photos and videos to attach to emails. · Microphone: You can record audio when shooting videos. · Face ID: Required to unlock the app using Face ID registered on your device. Please contact NAVER Customer Center ( http://naver.me/5j7M4G2y ) for any issue or inquiry while using the app. Developer Contact: 1588-3820 NAVER 1784, 95 Jeongja-il-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, 13561
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
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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 rating: Naver Mail at 2.2 against ezPDF DRM Reader's 2.0. Naver Mail also leads on ratings volume (37 vs 4) and review sentiment (18% vs 8%). ezPDF DRM Reader's advantage is iOS requirement (11.0 vs 17.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Naver Mail holds the better App Store score, 2.2 against 2.0. That said, the two scores are not equally well evidenced: Naver Mail has 37 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 18% of Naver Mail's written reviews are positive against 8% of ezPDF DRM Reader's.
Naver Mail ships an update every 3 weeks, ezPDF DRM Reader monthly. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.
| Parameter | Naver Mail | ezPDF DRM Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (37 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 18.5% of reviews — better | 7.7% of reviews |
| Number of ratings | 37 — better | 4 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 51 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | NAVER Corp. | Unidocs Inc. |
Customer experience
Naver Mail
ezPDF DRM Reader
Bugs and requests
Naver Mail
Reported bugs
42 issues- 🐛 Scroll lag and horizontal scrolling issues
- 🐛 Multitasking bug causing account selection screen
- 🐛 Badge notifications not updating or disappearing
- 🐛 New emails not appearing without refresh
- 🐛 Refreshing issues (pull-to-refresh not working well)
Show 37 moreShow fewer
- 🐛 Search function not working or freezing
- 🐛 New mail not received after update
- 🐛 Authentication issues (security codes not working)
- 🐛 Text corruption in Japanese settings
- 🐛 App crashes or freezes
- 🐛 Icons and item names displayed as file names
- 🐛 Mail content not displayed after clicking notification
- 🐛 Infinite loading for new emails
- 🐛 Swipe gestures not working (delete, mark as read)
- 🐛 Dark mode bug with unreadable text
- 🐛 App not launching (black screen)
- 🐛 Login failures
- 🐛 Translation function not working
- 🐛 Attachment issues (disappearing, not opening)
- 🐛 Notification issues (intermittent, not received)
- 🐛 Security code entry problems
- 🐛 App shuts down during use
- 🐛 Face ID issues
- 🐛 PDF attachments not opening
- 🐛 .hwp files not opening
- 🐛 Mail deletion issues (multiple deletions, incorrect marking)
- 🐛 App crashes when attaching files
- 🐛 Login required repeatedly
- 🐛 Inconsistent display of unread emails
- 🐛 Mail list stuttering during scrolling
- 🐛 App not responding to touch
- 🐛 Email content not showing in notification
- 🐛 Login issues after password change
- 🐛 App not working after iOS updates (especially iOS 12 & 13)
- 🐛 Horizontal screen rotation not working
- 🐛 Temporary storage content not displayed
- 🐛 Cannot delete all read emails
- 🐛 App falling/crashing
- 🐛 Notification count not decreasing after reading emails
- 🐛 Unable to attach files other than pictures
- 🐛 App not working after iOS 12 upgrade (black screen)
- 🐛 App not working after iOS 13 upgrade (swipe issues)
Requested features
21 requests- 💡 Template feature
- 💡 Phone authentication (voice call option)
- 💡 Two-factor authentication (2FA)
- 💡 Text size adjustment
- 💡 Dark mode
Show 16 moreShow fewer
- 💡 Search function improvement
- 💡 Option to revert to previous version
- 💡 Support for more languages (English, Chinese, Japanese, Russian)
- 💡 Option to change language settings
- 💡 Swipe to delete functionality
- 💡 Select delete option
- 💡 Add confirmation button for permanent deletion
- 💡 Search function for specific mailboxes
- 💡 Reintroduce Line stickers
- 💡 Support for .hwp files
- 💡 Improve file attachment functionality
- 💡 Allow password change within the app
- 💡 Support for external email accounts
- 💡 Calendar and storage box settings
- 💡 Dark mode support
- 💡 Allow screen rotation for writing emails
ezPDF DRM Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Naver Mail
No in-app purchases
ezPDF DRM Reader
No in-app purchases
