Comparison

SERIES vs 교보eBook

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

Head to head
About

SERIES

Explore a vast library of over 160,000 webtoons and web novels. Get personalized recommendations, enjoy exclusive content, and benefit from daily free passes and time-limited deals. Customize your reading experience with TTS and adjustable settings.

Highlights
  • Personalized recommendations
  • Exclusive content
  • Daily free passes
  • Time Deal events
  • TTS function
  • Customizable reading settings
Features
Currently charting
Read full description

Discover Your Life-Changing Story on SERIES Over 160,000 webtoon and web novel titles are waiting for you! Start enjoying them right now on the SERIES app. SERIES Helps You Find What You Love - The more you read, the more accurate our personalized recommendation system becomes—your feed will be full of tailored picks! - Discover popular titles through a variety of rankings, including hourly-updated rising charts and SERIES Best Rankings. - Enjoy exclusive content available only on SERIES! Enjoy a Variety of Rich Benefits - 10PM Daily Free: Register once and receive a daily pass every night at 10 PM. - Time Deal: Limited-time events offering free episodes for a short period! - Free Pass: Receive one NOVEL and one COMIX ticket every two hours, every day. - Plus, don’t miss out on other special benefits available through various events! The Ultimate Viewer for Immersive Reading - Enjoy stories more comfortably with our TTS (Text-to-Speech) function. - Share your favorite moments as images with stylish backgrounds. - Customize your reading experience with themes, fonts, and text size settings. ----------------------------------------------------------------------------- Experience difficulties while using Series app? The Naver customer center is more than happy to help. Series awaits your valuable input. * Naver customer center: https://m.help.naver.com/support/index.nhn * Email inquiries: navercc@naver.com -----------------------------------------------------------------------------

About

교보eBook

This app offers a streamlined eBook reading experience with enhanced customization and management features. Access all your purchased and uploaded books in one place, enjoy free books without login, and sync your reading progress across multiple devices. Share favorite passages and convert text to speech for an enriched reading journey.

Highlights
  • Unified book management
  • Login-free access to free books
  • Cross-device reading synchronization (up to 5 devices)
  • Highlighting, notes, and bookshelf synchronization
  • Social sharing of book passages
  • Text-to-speech functionality
  • Customizable reading environment
  • ePub3 standard support
Features
Read full description

eBook보기 딱 좋은 앱, 교보ebook 국내 최대 eBook 서점 교보eBook에서 독자분들이 그토록 원하시던 기본기에 충실한, 그리고 더욱 편리해진 좋은 앱을 선보입니다. • 최적화된 eBook독서 경험을 위한 읽기 설정과 기능을 더욱 강화했습니다. • 다양하고 편리한 기능을 안정적으로 제공하며 빠르게 업데이트를 진행합니다. • 기존 앱 대비 빠른 실행과 속도감 있는 페이지 넘김을 경험하실 수 있습니다. [새롭게 추가된 기능] 1. 나의 모든 eBook, 『모든 책』에서 관리한다! 구매 도서 목록, 다운로드한 도서, 직접 올린 파일까지 『모든 책』에서 한번에 확인할 수 있어요. 2. 로그인 없이 무료책을 이용한다! 로그인을 하지 않아도 본문 전체가 수록된 도서를 무료로 읽으실 수 있어요. 3. 다양한 기기, 최대 5대까지 이어본다! 구매하신 eBook은 PC, 스마트폰, 태블릿 등 최대 5대의 단말기에서, 내가 읽은 페이지부터 읽을 수 있어요. 4. 형광펜, 메모, 최근 읽은 페이지, 이제 책장까지 동기화한다! 형광펜, 메모, 최근 읽은 페이지, 내가 직접 만든 책장까지 동기화되어 언제 어디서든 나만의 독서이력을 이어갈 수 있어요. 5. 나만의 감동을 소셜 감동으로 전한다! 책 속 맘에 드는 문장을 멋진 이미지와 함께 SNS로 공유하여 나만의 독서 경험을 소셜 독서 경험으로 확장시킬 수 있어요. 6. 보는 즐거움을 듣는 즐거움으로 바꾼다! 다양한 목소리로 제공되는 한국어, 영어 TTS로 보는 즐거움을 듣는 즐거움을 바꾸어보세요! 시간 설정 기능 추가로 잠잘 때도 OK! 7. 나만의 스타일로 최적화된 독서환경을 만든다! 다양한 폰트를 지원하고 크기, 줄 간격 등 나의 취향 대로 조정하여 가장 읽기 편한 독서환경을 만들 수 있어요. 8. 최고의 멀티미디어eBook 뷰어의 명성을 이어간다! 국내에서 가장 최적화된 ePub3 표준 지원 뷰어를 제공하여 독점 멀티미디어eBook을 통해 차별화된 eBook 콘텐츠를 경험할 수 있어요! [여기, 주목!] 무선 데이터 통신망(LTE/5G 등)으로 접속 시 별도의 데이터 이용료가 발생할 수 있습니다. 남은 데이터를 미리 확인해주세요! eBook 보기 딱 좋은 앱, 교보eBook [약관] - 이용약관 : https://www.kyobobook.co.kr/contents/provision - 개인정보처리방침 : https://www.kyobobook.co.kr/contents/privacy-policy [선택적 접근 권한] - Face ID: 생체 로그인 - 마이크: 음성 검색 이용 - 연락처: 선물하기 이용 - 위치: 가까운 매장 안내, 바로드림 알림, 체크인 이용 - 카메라: 바코드 검색, 리뷰 및 댓글 이미지 등록 - 사진: 이미지 공유하기 이용 ※ 선택적 접근 권한은 동의하지 않아도 관련 기능 이외의 서비스는 이용할 수 있습니다. 고객센터 : 1544-1900

Screenshots

SERIES4 screens
교보eBook4 screens

Verdict

The call

The clearest difference is ads: 교보eBook at none against SERIES's shown. SERIES's advantage is rating (4.5 vs 4.3) and chart position (#57 vs unranked). On price, update cadence, in-app purchases and monetization model 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. SERIES sells 14 one-off in-app purchases and 교보eBook sells 6 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SERIES holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: SERIES has 2K ratings behind it against 290, so its average is the more settled of the two. Written reviews point the same way: 30% of SERIES's written reviews are positive against 21% of 교보eBook's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 6 level
SERIES versus 교보eBook: the parameters behind the verdict, then further details
ParameterSERIES교보eBook
PriceFreeFree
Rating4.5 (2K ratings) — better4.3 (290 ratings)
Positive reviews29.7% of reviews — better21.1% of reviews
Number of ratings2K — better290
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#57 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size198 MB456 MB
Age rating12+4+
DeveloperNAVER WEBTOON Ltd.KYOBO BOOK CENTRE CO,.LTD

Customer experience

SERIES

All ratings1,979 ratings
Positive88.6%
Neutral2.5%
Negative8.8%
Written reviews192 reviews
Positive29.7%
Neutral8.9%
Negative61.5%

교보eBook

All ratings290 ratings
Positive82.8%
Neutral4.5%
Negative12.8%
Written reviews166 reviews
Positive21.1%
Neutral10.2%
Negative68.7%

User reviews

SERIES

From 2K App Store ratings

What we love

  • 👍 Great app for reading stories
  • 💡 Diverse content selection
  • 🚀 Smooth performance

Room to improve

  • 🐛 Login issues
  • 🔒 Restrictive access for non-Koreans
  • 💸 Inconvenient payment/purchase process
  • 🚫 Lack of translation/localization features

교보eBook

From 290 App Store ratings

What we love

  • 🚀 Fast and efficient app
  • 📚 Vast selection of ebooks
  • 📝 Useful note-taking and highlighting features
  • 🌍 Accessible from anywhere with ebook purchases
  • 🔍 Intuitive search and browsing functionality

Room to improve

  • 🐛 Frequent app crashes and stability issues
  • ⏱️ Slow page loading and navigation
  • 📱 Suboptimal user interface and experience
  • 🔋 High battery consumption
  • 🔒 Lack of seamless cross-device synchronization

Bugs and requests

SERIES

Reported bugs

3 issues
  • App crashes and freezes
  • Inconsistent content display issues
  • Syncing/download problems

Requested features

3 requests
  • Add translation/language support
  • Improve payment options for international users
  • Implement a more user-friendly login/authentication process

교보eBook

Reported bugs

5 issues
  • Inconsistent page navigation and jumping between pages
  • Unreliable login and account management
  • Compatibility issues with newer devices and operating systems
  • Unexpected app crashes and freezes during use
  • Delayed or failed ebook downloads

Requested features

5 requests
  • Implement Apple Pencil support for better note-taking
  • Add more customization options for fonts, margins, and layout
  • Improve cross-device synchronization of bookmarks, highlights, and notes
  • Introduce a night mode or dark theme for comfortable reading
  • Optimize app performance and reduce loading times

In-app purchases

14 purchases

SERIES

One-time14
  • 쿠키 10개$0.49
  • 쿠키 10개$0.99
  • 쿠키 30개$1.99
Show 11 more
  • 쿠키 50개$3.99
  • 쿠키 49개$4.99
  • 쿠키 100$6.99
  • 쿠키 100개$9.99
  • 쿠키 200개$14.99
  • 쿠키 175개$14.99
  • 쿠키 250개$19.99
  • 쿠키 300개$22.99
  • 쿠키 300개 + 보너스 쿠키 30개$24.99
  • 쿠키 325개$29.99
  • 쿠키 500개$39.99
6 purchases

교보eBook

Subscriptions2
  • sam무제한 (매월)$8.991 Month
  • sam3 (매월)$8.991 Month
One-time4
  • 5,000캐시$3.99
  • 10,000캐시$6.99
  • 30,000캐시$22.99
Show 1 more
  • 50,000캐시$39.99

Questions

Is SERIES free?
SERIES is free to download, with in-app purchases available.
Is 교보eBook free?
교보eBook is free to download, with in-app purchases available.
Which has better reviews, SERIES or 교보eBook?
SERIES is rated higher. SERIES averages 4.5 out of 5 from 2K ratings, while 교보eBook averages 4.3 from 290 ratings.
Do SERIES or 교보eBook have ads?
SERIES shows ads; 교보eBook does not.
Which is updated more often, SERIES or 교보eBook?
SERIES ships an update every 3 weeks, and 교보eBook every 3 weeks. Most recently, SERIES was updated on September 23, 2026 and 교보eBook on September 24, 2026.

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