Comparison

YBM리더스 vs Modu

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

Head to head
About

YBM리더스

Read full description

* YBM리더스 회원 전용 ios 앱 OPEN! * Mobile로 언제, 어디서나 YBM리더스를 만나보세요! YBM리더스에서는 회원이 영어 도서를 읽고 다양한 학습 액티비티를 진행하면, 영어독서지도서 과정을 수료한 선생님의 1:1 코칭으로 올바른 독서습관과 영어에 대한 자신감을 부여해 줍니다. 도서 학습을 통해 획득한 포인트는 기프티콘을 구매하거나 나만의 아바타를 꾸밀 수 있습니다. [이용안내] 1. 리더스 도서 학습 및 레벨테스트 응시가 가능합니다. 2. 학습을 통해 적립된 포인트는 Point Mall과 My Avatar에서 사용이 가능합니다. 3. PUSH 알림 서비스를 통해 선생님이 보낸 메시지를 실시간으로 앱을 통해 확인할 수 있습니다. 4. JET-Kids, JET, TOEIC Bridge까지 6개월에 한번씩 응시 가능한 공인인증 모의테스트를 통해 학생의 영어실력 향상 과정을 객관적으로 확인할 수 있습니다. [사용가능 단말기] iPhone 해당 앱은 위 기종에 최적화되어 있으며 이외의 단말기에서 실행은 될 수 있으나 일부 화면이 깨지거나 제대로 동작하지 않을 수 있습니다. [유의사항] - 권장 OS는 ios 10.0 이상입니다. - 3G 환경에서 다운로드시 사용하시는 요금제에 따라 데이터 요금이 발생할 수 있습니다. Wi-Fi에서 다운로드 받으시길 권장합니다.

About

Modu

Features
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Read Chinese stories, understand unfamiliar words, and build vocabulary from what you read. Modu combines graded reading, a tap-to-lookup dictionary, and spaced-repetition review in one app. Choose a graded story or import your own EPUB and TXT books. Tap unfamiliar words for pinyin and meanings, save vocabulary in context, and review it later. READ WHAT INTERESTS YOU • Explore a library of graded retellings of public-domain stories. • Import EPUB and TXT books to read with built-in learning tools. • Generate AI stories based on your selected topic and level, with vocabulary you are due to review. • Follow RSS feeds. Available article text depends on the source; some feeds provide summaries only. UNDERSTAND AS YOU READ • Tap words for pinyin, meanings, and measure words. • Use AI explanations to explore a word in the context of a sentence. • Translate sentences and paragraphs into English on your device, or read with a bilingual chapter view. • Listen to text with read-aloud tools. REMEMBER WORDS IN CONTEXT • Save vocabulary from your reading and review it with spaced-repetition flashcards. • Mark words as known to focus highlighting on unfamiliar vocabulary. • Track your reading and vocabulary progress, and export your vocabulary. OFFLINE READING AND YOUR ACCOUNT Read and save books on your device as a guest, without creating an account. Books already on your device and core reading tools work offline. On-device translation requires an initial language-model download. AI features and natural online voices require an internet connection. Sign in to back up your vocabulary. Modu Plus also syncs reading progress and other learning data across devices. Imported book files remain on your device; import the same books on another device to continue reading there. FREE + MODU PLUS Free features include reading, dictionary lookup, on-device translation, bilingual reading, vocabulary review, book imports, RSS, the story library, and basic read-aloud. Limited AI explanations and story generation are included. Modu Plus adds higher AI usage allowances, natural multi-voice read-aloud, and additional learning-data sync. AI and natural-voice usage limits apply. See the in-app purchase screen for available plans and current allowances. Start with a story, and build your Chinese one reading session at a time. Terms of Use (EULA): https://modu-ai-proxy.zhouxuehan101.workers.dev/terms Privacy Policy: https://modu-ai-proxy.zhouxuehan101.workers.dev/privacy

Screenshots

YBM리더스4 screens
Modu4 screens

Verdict

The call

The clearest difference is update cadence: Modu at weekly against YBM리더스's every 2 months. YBM리더스's advantage is iOS requirement (9.0 vs 15.5). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

YBM리더스 ships an update every 2 months, Modu weekly. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 4 level
YBM리더스 versus Modu: the parameters behind the verdict, then further details
ParameterYBM리더스Modu
PriceFreeFree
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.5
Further details — not scored
Size19 MB148 MB
Age rating4+4+
DeveloperYBM NET, Inc.雪寒 周

In-app purchases

None

YBM리더스

No in-app purchases

None

Modu

No in-app purchases

Questions

Is YBM리더스 free?
YBM리더스 is free to download, with no in-app purchases.
Is Modu free?
Modu is free to download, with no in-app purchases.
Do YBM리더스 or Modu have ads?
Neither YBM리더스 nor Modu shows ads.
Which is updated more often, YBM리더스 or Modu?
YBM리더스 ships an update every 2 months, and Modu weekly. Most recently, YBM리더스 was updated on October 5, 2026 and Modu on October 15, 2026.

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