Comparison

ReadingGate vs Buff

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

Head to head
About

ReadingGate

This e-learning program offers a vast library of over 6,000 English titles and activities for all ages, from alphabet basics to classic literature. It systematically manages learning progress through 22 concrete levels and provides an immersive environment for reading, listening, writing, and speaking.

Highlights
  • Extensive library of 6,000+ titles
  • 22 systematic learning levels
  • Integrated reading, listening, writing, and speaking skills
  • Activities for all ages
  • Monthly new title updates
  • Accessible on PC, tablets, and mobile
Read full description

# Provides e-learning program embracing from the alphabet to classics available for all ages # Over 400,000 K users and used in 500 institutions # Provides over 6,000 titles and activities in various themes # Provides 22 concrete levels to manage the learning performance systematically # Easily accessible via PC, tablets, and mobile phones # Updates new titles every month Over 400,000 students in the top 500 domestic educational institutions use Reading Gate, an online program that examines the remarkable effectiveness of reading English books. Reading Gate has been scientifically designed by both domestic and international experts in the field of English reading education to ensure accurate comprehension through diverse post-reading activities. Reading Gate provides an English immersed environment by integrating the various skills of reading, listening, writing, and speaking. Let children meet a new world through Reading Gate! ------ * Access Permission Information [Optional Access Permissions] • Notifications: Used to deliver notices and updates. • Microphone: Used to create temporary audio files for comparing speech accuracy during English speaking practice. You may use the app without granting optional permissions. However, some features may be limited if optional permissions are not allowed. * Subscription Information [1-Month Pass] • Purchasing the 1-month pass grants access to the content for 30 days from the date of purchase. • This product adds 30 days of access per purchase and does not automatically renew. ------ End User License Agreement Apple Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Use of this app is subject to the Apple Standard EULA above, as well as the Company’s Terms of Service and Operating Policies.

About

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.

Highlights
  • Vocabulary training for tests
  • Review learned words
  • Track memorization progress
  • Level up word power
  • Character customization
  • Tablet and phone compatible
Features
Read full description

※ 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

ReadingGate4 screens
Buff4 screens

Verdict

The call

The clearest difference is rating: Buff at 3.5 against ReadingGate's 2.5. Buff also leads on in-app purchases (none vs 6) and ads (none vs shown). ReadingGate's advantage is ratings volume (23 vs 4). On price, review sentiment, update cadence 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. ReadingGate sells 6 one-off in-app purchases. Buff asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Buff holds the better App Store score, 3.5 against 2.5. That said, the two scores are not equally well evidenced: ReadingGate has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 36% of ReadingGate's written reviews are positive against 43% of Buff's.

UpkeepUpdate frequency

ReadingGate ships an update every 6 weeks, Buff every 3 weeks. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
ReadingGate versus Buff: the parameters behind the verdict, then further details
ParameterReadingGateBuff
PriceFreeFree
Rating2.5 (23 ratings)3.5 (4 ratings) — better
Positive reviews36.4% of reviews43.5% of reviews — better
Number of ratings23 — better4
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.613.1 — better
Further details — not scored
Size16 MB228 MB
Age rating4+4+
DeveloperReading Gate Co., LTD.CREVERSE, Inc.

Customer experience

ReadingGate

All ratings23 ratings
Positive34.8%
Neutral4.3%
Negative60.9%
Written reviews33 reviews
Positive36.4%
Neutral9.1%
Negative54.5%

Buff

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews23 reviews
Positive43.5%
Neutral13.0%
Negative43.5%

In-app purchases

6 purchases

ReadingGate

One-time6
  • Online Study - 1 Month$19.99
  • 1개월 이용권$22.99
  • 3개월 이용권$49.99
Show 3 more
  • 6개월 이용권$99.99
  • Online Study - 6 Month$119.99
  • 12개월 이용권$149.99
None

Buff

No in-app purchases

Questions

Is ReadingGate free?
ReadingGate is free to download, with in-app purchases available.
Is Buff free?
Buff is free to download, with no in-app purchases.
Which has better reviews, ReadingGate or Buff?
Buff is rated higher. ReadingGate averages 2.5 out of 5 from 23 ratings, while Buff averages 3.5 from 4 ratings.
Do ReadingGate or Buff have ads?
ReadingGate shows ads; Buff does not.
Which is updated more often, ReadingGate or Buff?
ReadingGate ships an update every 6 weeks, and Buff every 3 weeks. Most recently, ReadingGate was updated on October 13, 2026 and Buff on October 12, 2026.

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