Comparison

Roots Master vs 문어 CBT

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

Head to head
About

Roots Master

Features
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Roots Master is a focused vocabulary trainer built around a simple idea: when you understand roots, words stop feeling random. Instead of memorizing isolated definitions, you learn the building blocks that show up again and again across academic, professional, and everyday English. The app combines a large roots dictionary with quick matching challenges, so study feels active instead of passive. Each round gives you a root, its core meaning, and a set of possible words. Pick the word that contains the root before time runs out. Correct answers build your score, missed answers are saved for review, and each session gives you a clear summary of what you mastered and what needs another pass. Use the dictionary when you want to slow down and study. Search hundreds of roots, open detailed entries, review meanings, browse example words, and mark the roots you want to revisit. Favorites make it easy to build your own study path, whether you are preparing for a vocabulary-heavy class, reading denser texts, working toward a stronger test score, or simply trying to understand English at a deeper level. Roots Master is designed for learners who want more than flashcards. A root like “cred” connects words such as credible, credit, and incredulous. A root like “scrib” helps explain describe, manuscript, and inscription. Once those patterns click, new words become easier to break apart, remember, and use with confidence. The goal is not to guess faster for one quiz. The goal is to train the way you see words. Practice sessions are short enough for a break and focused enough for serious study. You can adjust the challenge timer, review recent mistakes, open the exact root behind a missed question, and return to the game with a better sense of what to watch for. The review system keeps the most useful misses close at hand instead of letting them disappear after a round ends. The experience is clean, direct, and built for repeat use. Scores, best records, accuracy, sound, touch feedback, theme choices, and language settings help you shape the app around your own study routine. Visual root cards and example lists add context without getting in the way of learning. Roots Master works well for students, test takers, writers, multilingual learners, teachers, and anyone who wants English vocabulary to feel less like memorization and more like a system. It is especially useful for learners who run into unfamiliar words often and want a practical way to decode them on sight. What you can do: • Practice timed root-to-word challenges • Study a searchable roots dictionary • Learn meanings through real example words • Save favorite roots for later study • Review mistakes after each session • Track scores, records, accuracy, and progress • Adjust challenge time for a relaxed or intense pace • Customize sound, touch feedback, theme, and language Build vocabulary from the inside out. Learn the roots, notice the patterns, and make unfamiliar words easier to understand.

About

문어 CBT

This app provides practice questions and mock exams for IT certification candidates. It offers a comprehensive learning path from problem-solving to reviewing incorrect answers and tracking progress, all in one place. It supports various IT certifications like SQLD, ADsP, and Information Processing.

Highlights
  • Practice past exam questions
  • Simulate real CBT exams
  • Quick OX quizzes for concept review
  • Automatic incorrect answer notebook
  • Learning dashboard with progress tracking
  • Supports SQLD, ADsP, Information Processing
Features
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12,000명이 선택한 1위 자격증 대비 CBT 앱 문제 풀이부터 실전 모의고사, 오답 복습, 진척도 확인까지 합격에 필요한 학습 흐름을 한 곳에서 끊김 없이 이어갈 수 있어요. 지원 자격증 * SQLD (SQL 개발자) * ADsP (데이터분석 준전문가) * 정보처리기사 필기·실기 * 빅데이터분석기사 필기 * 컴퓨터활용능력 1급·2급 필기 * 산업안전기사 필기 * 산업안전산업기사 필기 * 소방설비기사(전기분야) 필기 * 건설안전기사 필기 * 위험물산업기사 필기 * 소방설비기사(기계분야) 필기 * 산업위생관리기사 필기 이런 기능을 제공해요 기출복원 문제풀이 회차별 기출복원 문제를 실제 시험과 같은 구성으로 풀 수 있어요. 보기 해설과 함께 왜 틀렸는지까지 바로 확인할 수 있어요. 실전 모의고사 (CBT) 실제 시험과 동일한 문항 수, 제한 시간으로 실전 감각을 길러요. 과목별 점수와 합격 여부를 즉시 확인할 수 있어요. OX 퀴즈 자투리 시간에 가볍게 개념을 점검하는 OX 퀴즈예요. 연승 기록을 쌓으며 약한 개념을 빠르게 골라낼 수 있어요. 오답노트 틀린 문제가 자동으로 쌓이고, 과목별·모의고사별로 분류해 회독할 수 있어요. 합격까지 같은 문제를 두 번 틀리지 않게 도와줘요. 학습 대시보드 시험일까지 D-Day, 총 풀이 수, 평균 정답률, 최근 7일 학습 기록을 한눈에 확인해요. 모의고사를 풀수록 합격 예측이 정교해져요. 궁금한 점이 있다면 언제든 문의해 주세요. https://www.sqldpass.com

Screenshots

Roots Master4 screens
문어 CBT4 screens

Verdict

The call

The clearest difference is price: 문어 CBT at Free against Roots Master's $8.99. 문어 CBT also leads on update cadence (every 6 days vs every 9 months). Roots Master's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On 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

CostPrice · In-app purchases · Ads · Monetization

문어 CBT is free to download; Roots Master costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Roots Master ships an update every 9 months, 문어 CBT every 6 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 4 level
Roots Master versus 문어 CBT: the parameters behind the verdict, then further details
ParameterRoots Master문어 CBT
Price$8.99Free — better
Positive reviews—50.0% of reviews
Update frequencyEvery 9 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size93 MB9 MB
Age rating4+4+
DeveloperSimTeCon GmbHmooneolab

In-app purchases

None

Roots Master

No in-app purchases

None

문어 CBT

No in-app purchases

Questions

Is Roots Master free?
Roots Master costs $8.99, with no in-app purchases.
Is 문어 CBT free?
문어 CBT is free to download, with no in-app purchases.
Do Roots Master or 문어 CBT have ads?
Neither Roots Master nor 문어 CBT shows ads.
Which is updated more often, Roots Master or 문어 CBT?
Roots Master ships an update every 9 months, and 문어 CBT every 6 days. Most recently, Roots Master was updated on October 9, 2026 and 문어 CBT on October 7, 2026.

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