Comparison

스콘 vs 북이오

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

Head to head
About

스콘

This app provides a premium digital study environment for students, allowing them to consolidate textbooks, notes, and practice exams. It offers advanced note-taking features, distraction-free study modes, and tools for efficient exam preparation across various subjects.

Highlights
  • Consolidate textbooks and notes
  • Side-by-side problem and explanation viewing
  • Distraction-free interface
  • Pen gesture highlighting and underlining
  • Organize study materials by folder
  • Multi-page viewing options
  • Free past exam questions
Read full description

From medical students to civil service exam takers— why do top-tier students choose SCONN for their studies? Go beyond a simple PDF viewer and experience a premium learning environment designed for success. § Over 9.2 million users worldwide § Featured in the App Store across 156 countries § Apple Editor’s Choice and featured in 30+ categories Powered by the proven technology of **Flexcil**, trusted by over 9.2 million users worldwide. Now, experience the study routines of top medical students—all in one app, SCONN [Medical School] High-Efficiency Digital Study Methods Proven by Medical Students - Combine massive textbooks and summary notes into a single, streamlined reference—the ultimate consolidation technique used by med students. - View problem sheets and explanations side by side to maintain focus while grading and analyzing. - SCONN’s distraction-free interface keeps your concentration at an elite level from start to finish. [CSAT / School Exams] The Perfect Note-Taking App for EBS CSAT Prep - Download CSAT Prep PDFs directly in the app—no need to search elsewhere. - Analyze passages, underline, and highlight in just one second with pen gestures. - Bring together CSAT-linked materials and school exam questions to create your own complete summary notes. [Civil Service / Certifications] One-Second Consolidation & Error Notes That Speed Up Your Success - No more carrying heavy exam books or wasting time scanning them. - Simply swipe incorrect questions into your notes with a pen—save hours spent rewriting mistakes. - Use document hyperlinks to instantly jump from review notes to key concepts in your textbooks. [University / TOEIC] Your Entire Job-Prep Life, All on One Tablet - Organize TOEIC, G-TELP, and certification materials neatly by folder—no more heavy books. - View 1, 2, or even 4 pages at once to find the reading layout that works best for you. Exclusive Features Only SCONN Users Get - Free past exam questions : Over 500 exams including CSAT, mock tests, Korean history, and public service aptitude tests. - Realistic OMR practice : Practice marking answers on your tablet just like the real exam. - Custom templates : Grid, lined pages, error-note formats, and more—tailored to your study style. SCONN Is Highly Recommended If You… - Gave up on digital studying because scanning thick books felt like too much work - Want to turn your iPad or Galaxy Tab into a true **tool for success**, not just a media device - Dream of creating your own perfectly consolidated study notes If you’re aiming high, your study tools should match your ambition. Download SCONN now and make the focus of medical students and the efficiency of top achievers your own.

About

북이오

This app offers two reading modes: 'Solo Reading' for focused individual study and 'Group Reading' for real-time sharing of reading progress with others. Enhance your experience with expert commentary and collaborative note-taking.

Highlights
  • Solo and Group Reading Modes
  • Real-time progress sharing
  • Highlight and note sharing
  • Expert commentary integration
  • Group creation and management
  • Pen support for PDF annotation
Read full description

■ 북이오에서만 가능! 뷰어를 열 때 읽기 모드를 선택하세요. - 독서 목적에 따라 ‘혼자읽기’와 ‘함께읽기’ 중 원하는 모드를 선택할 수 있습니다. - ‘혼자읽기’ 모드에서는 본문에 집중하며 조용히 혼자 책을 읽을 수 있어요. - ‘함께읽기’ 모드에서는 그룹원들과 실시간으로 독서 기록을 공유할 수 있어요.   ■ 전문가ㆍ인플루언서의 독서 기록, '코멘터리'를 책과 함께 읽어보세요. - 북이오 사이트에서 구매한 코멘터리는 '혼자읽기' 모드에서 활성화하여 열람할 수 있어요.     - 하나의 책에 달린 여러 개의 코멘터리를 구매했다면 한 번에 하나씩, 원하는 코멘터리를 선택해 열람할 수 있어요. ■ 서로의 독서 기록을 공유하며 책을 읽을 수 있어요. - ‘함께읽기’ 모드에서는 내가 가입한 그룹의 그룹원들과 하이라이트, 메모를 공유합니다. - 가장 많은 사람이 하이라이트한 문장 또는 특정인의 하이라이트 문장만 모아 볼 수도 있어요. - 마음에 드는 메모를 추천하거나 '혼자읽기' 모드로 복사할 수 있어요. ■ 원하는 사람들과 함께 읽어요. - '함께읽기'는 그룹 단위로 이루어져요. - 그룹 목록을 둘러보며 원하는 그룹에 가입하거나 직접 그룹을 생성할 수 있어요. - 그룹을 생성할 때 그룹 공개 여부(공개/비공개), 그룹 인원 수 등을 설정할 수 있어요. ■ 내 그룹을 관리하세요. - ‘내 그룹’ 메뉴에서 내가 만든 그룹과 내가 가입한 그룹 목록을 확인하고 그룹을 관리할 수 있어요. - 내가 그룹장이거나 그룹원인 경우, 원하는 회원을 그룹에 초대할 수 있어요. - 내가 그룹장인 경우, 특정 그룹원을 '내보내기' 하거나 '내보내기'를 해제할 수 있어요. ■ 펜을 지원하는 기기라면 필기를 할 수 있어요. - 펜을 지원하는 기기에서 PDF 도서를 열람 시 필기를 할 수 있어요. - 색상 / 굵기 / 투명도 등 여러가지 필기 옵션을 제공해요. - 앱 설정 메뉴를 통해 내 필기 기록을 백업하고 복원할 수 있어요. [앱 접근 권한 안내] ■ 필수 접근 권한 -저장 공간 : 필기 데이터 저장을 위해 필요합니다. ■ 선택 접근 권한 -카메라, 사진 : 사용자 프로필 사진 등록을 위해 필요합니다. [약관 안내] ■ 이용약관 : https://buk.io/terms ■ 개인정보처리방침 : https://buk.io/privacy [문의사항] ■ 이메일 : support@buk.io ■ 고객센터 : https://buk.io/help/main

Screenshots

스콘4 screens
북이오4 screens

Verdict

The call

The clearest difference is review sentiment: 스콘 at 71% against 북이오's 25%. 스콘 also leads on rating (4.0 vs 2.3) and device support. 북이오's advantage is in-app purchases (none vs 3). On ratings volume 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

ReceptionRating · Positive reviews · Number of ratings

스콘 holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 8 and 11 respectively. Written reviews point the same way: 71% of 스콘's written reviews are positive against 25% of 북이오's.

Scorecard5 real differences · 5 level
스콘 versus 북이오: the parameters behind the verdict, then further details
Parameter스콘북이오
PriceFree — better—
Rating4.0 (8 ratings) — better2.3 (11 ratings)
Positive reviews70.9% of reviews — better25.0% of reviews
Number of ratings811 — better
Update frequencyWeekly—
AdsNo—
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod — better—
Requires iOS14.0 — better16.0
Further details — not scored
Size270 MB3 MB
Age rating4+4+
DeveloperFlexcil Inc.Buk.io, Inc.

Customer experience

스콘

All ratings8 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews55 reviews
Positive70.9%
Neutral7.3%
Negative21.8%

북이오

Written reviews8 reviews
Positive25.0%
Neutral12.5%
Negative62.5%

In-app purchases

3 purchases

스콘

One-time3
  • 5,000스콘$3.99
  • 10,000스콘$7.99
  • 50,000스콘$39.99
None

북이오

No in-app purchases

Questions

Is 스콘 free?
스콘 is free to download, with in-app purchases available.
Is 북이오 free?
Pricing for 북이오 is not currently listed on the App Store.
Which has better reviews, 스콘 or 북이오?
스콘 is rated higher. 스콘 averages 4.0 out of 5 from 8 ratings, while 북이오 averages 2.3 from 11 ratings.

Other comparisons