AVALON Readers vs Buff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AVALON Readers
This e-book application is designed for students of Langcon and Avalon. It provides access to a digital library of books for educational purposes.
- Digital e-book library
- Exclusive access for specific students
- Educational content
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Avalon Readers는 랭콘, 아발론 재원생을 위한 e-Book 어플리케이션입니다.
Buff
This app helps students from specific language academies reinforce vocabulary learned through i-Learning/p-Learning and prepare for word tests. Users can review learned words, track their progress, and level up their 'word power' as they memorize more terms.
- Vocabulary training for tests
- Review learned words
- Track memorization progress
- Level up word power
- Character customization
- Tablet and phone compatible
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※ Buff: Word Power 는 청담어학원 및 April α 어학원 수강생이 단어를 재밌게 학습할 수 있도록 도와주는 앱입니다. - Training 을 통해 i-Learning/p-Learning 에서 익힌 단어와 교육부 지정 단어를 학습할 수 있습니다. - Training 을 통해 단어 시험 대비를 해보세요. - 단어장에서 지금까지 학습했던 단어를 반복 학습할 수 있습니다. - 내가 암기한 단어 수에 따라 워드파워가 성장하고, 레벨업 할 수 있습니다. ※ Buff: Word Power의 주요 기능 - 태블릿과 휴대폰에서 이용 가능 - 청담어학원, THE OPEN 청담어학원, April α 어학원 재원생만 사용 가능 - 단어장을 통해 지금까지 학습한 단어를 점검 및 복습 가능 - 단어장에서 나와 상위 10%가 마스터한 단어 개수 확인 가능 - 캐릭터 설정 및 변경, 레벨업에 따른 아우라 획득 가능
Screenshots
Verdict
The clearest difference is update cadence: Buff at every 3 weeks against AVALON Readers's every 6 months. AVALON Readers's advantage is review sentiment (57% vs 42%) and iOS requirement (11.0 vs 13.1). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AVALON Readers ships an update every 6 months, Buff every 3 weeks. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.
| Parameter | AVALON Readers | Buff |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (5 ratings) — better |
| Positive reviews | 57.1% of reviews — better | 41.7% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 115 MB | 228 MB |
| Age rating | 4+ | 4+ |
| Developer | Avalon Education | CREVERSE, Inc. |
Customer experience
AVALON Readers
Buff
In-app purchases
AVALON Readers
No in-app purchases
Buff
No in-app purchases
