Comparison

Naver Mail vs Certpia

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Certpia

This app allows users to easily issue, submit, and verify various certificates from over 220 universities and major institutions. It ensures secure and official document issuance through government-standard technology. Verify original documents using school names, internet numbers, or QR codes.

Highlights
  • Issue various certificates
  • Submit electronic certificates
  • Verify original documents
  • Secure data management
  • Government-certified technology
  • QR code verification
Features
Read full description

전국 220여개 대학교와 YBM시사 등 주요 기관에 서비스하는 인터넷 증명발급 통합센터 Certpia의 대표 앱! 이제 Certpia앱을 통해 모바일에서 각종 증명서 발급은 물론 전자증명서 제출 및 원본확인까지 해보세요. [인터넷 증명서 발급] 1. 각종 증명서를 편리하고 안전하게 발급, 제출하며 학교/기관의 증명관련 데이터는 철저한 보안 시스템으로 관리함 2. 행정자치부의 G4C 사업 민원서비스에 기준한 정부공인 전자문서 표준 기술 구현으로 공신력 있고 안전한 인터넷 증명발급 3. 현재 전국 220여개 대학교의 학사 증명서와 YBM시사의 공인 TOEIC, JPT 성적표 및 한국산업인력공단의 실기자격첨부로 입증된 안정적인 서비스 [증명서 원본 확인] 1. 학교명과 인터넷 번호를 통한 인터넷 원본대조 2. 증명서 내 QR코드를 통한 원본대조 [서비스 학교/기관] 1. 전국 220여개 대학교 카톨릭대학교, 경기과학기술대학교, 경인교육대학교, 경희대학교, 금오공과대학교, 부산외국어대학교, 부산과학기술대학교, 전북대학교, 충북도립대학, 포항대학교, 한국교원대학교, 한양여자대학교, 홍익대학교 등 2. 주요 기관 YBM시사, 대한상공회의소, 한국소방공사협회, 한국경제신문, 대한태권도협회, 중앙선거관리위원회, 울산광역시교육연수원, 유니텔 연수원, 한국과학기술원 등 [증명서 관련 법규] 증명서를 위,변조하는 행위는 형법 제225조(공문서 등의 위조, 변조) 또는 227조의2(공전자기록 위작, 변작)의 규정에 따라 10년 이하의 징역을 받을 수 있습니다. [기타문의] 대표번호 : 1544-4536 부산지사 : 051)418-6048 서울지사 : 02)2205-4536~8

Screenshots

Naver Mail4 screens
Certpia4 screens

Verdict

The call

The clearest difference is rating: Certpia at 4.4 against Naver Mail's 2.2. Certpia also leads on iOS requirement (12.0 vs 17.0). On price, review sentiment, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Certpia holds the better App Store score, 4.4 against 2.2. Both are backed by a comparable volume of ratings — 37 and 45 respectively. Written reviews complicate that: 18% of Naver Mail's written reviews are positive against 13% of Certpia's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Naver Mail ships an update every 3 weeks, Certpia monthly. Both last shipped on October 29, 2026.

Scorecard2 real differences · 8 level
Naver Mail versus Certpia: the parameters behind the verdict, then further details
ParameterNaver MailCertpia
PriceFreeFree
Rating2.2 (37 ratings)4.4 (45 ratings) — better
Positive reviews18.5% of reviews — better12.7% of reviews
Number of ratings3745 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size51 MB46 MB
Age rating4+4+
DeveloperNAVER Corp.I.N.TECH INC

Customer experience

Naver Mail

All ratings37 ratings
Positive21.6%
Neutral21.6%
Negative56.8%
Written reviews173 reviews
Positive18.5%
Neutral16.8%
Negative64.7%

Certpia

All ratings37 ratings
Positive83.8%
Neutral5.4%
Negative10.8%
Written reviews55 reviews
Positive12.7%
Neutral1.8%
Negative85.5%

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 more
  • 🐛 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 more
  • 💡 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

Certpia

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Naver Mail

No in-app purchases

None

Certpia

No in-app purchases

Questions

Is Naver Mail free?
Naver Mail is free to download, with no in-app purchases.
Is Certpia free?
Certpia is free to download, with no in-app purchases.
Which has better reviews, Naver Mail or Certpia?
Certpia is rated higher. Naver Mail averages 2.2 out of 5 from 37 ratings, while Certpia averages 4.4 from 45 ratings.
Do Naver Mail or Certpia have ads?
Neither Naver Mail nor Certpia shows ads.
Which is updated more often, Naver Mail or Certpia?
Naver Mail ships an update every 3 weeks, and Certpia monthly. Most recently, Naver Mail was updated on October 29, 2026 and Certpia on October 29, 2026.

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