Comparison

NAVER Dictionary vs Buff

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

Head to head
About

NAVER Dictionary

Access a comprehensive collection of dictionaries, including English-English, English-Korean, and numerous bilingual options. Features include pronunciation evaluation, everyday conversation examples, and a user-created dictionary platform. All content is available for free.

Highlights
  • 70+ Dictionaries
  • 30M+ Headwords
  • Everyday English Conversation
  • Pronunciation Evaluation
  • User-created Dictionary Platform
  • Multiple English Accents
Features
Read full description

WELCOME to NAVER Dictionary! Our dictionary app features ▶ All for FREE! 70 Dictionaries, 30M headwords, Everyday English Conversation, Quiz, Pronunciation Evaluation, all for FREE! ▶ 4 famous English-English dictionaries - Oxford Dictionary of English (124,000 words, 139,000 examples) - Merriam-Webster’s Collegiate Dictionary (136,000 words, 100,000 examples) - Merriam-Webster’s Advanced Learner's English Dictionary (59,000 words, 140,000 examples) - Wiktionary (980,000 words) ▶ 1M English Pronunciations American, British, Australian, Indian English accents! ▶ 3 famous Thesaurus dictionaries - Oxford Learners Thesaurus for beginners, intermediate (EN-KO, EN-EN) - Oxford Thesaurus of English for advanced, native (EN-EN, EN-KO, EN-JA) - Collins English Paperback Thesaurus, 8th edition HarperCollins Publishers ▶ High trusted 11 Korean dictionaries - Korean-English dictionary - Korean-Chinese dictionary - Korean-Vietnamese dictionary - Korean-Japanese dictionary - Korean-Indonesian dictionary - Korean-Thai dictionary - Korean-French dictionary - Korean-Spanish dictionary - Korean-Russian dictionary - Korean-Mongolian dictionary - Korean-Arabic dictionary ▶ 3 famous Korean dictionaries ▶ 46 various bilingual dictionaries for Korean peoples - English, Chinese, Japanese, French, Spanish, German, Vietnamese, Arabic, Hindi, Russian, Portuguese, Thai, Indonesian, Turkish, Greek, Hebew, Mongolian, Norwegian, Polish, Romanian, Swahili, Tagalog, Urdu, Ukrainian, Tetum, Swedish, Persian, Latin, Lao, Italian, Hungarian, Hausa, Dutch, Czech, Croatian, Cambodian, Burmese, Georgia, Nepali dictionaries ▶ Open dictionary Pro - User creation dictionary platform - 6,000 dictionaries, 5.6M headwords See NAVER Dictionary Official Blog (http://blog.naver.com/dic_master) for more information. Please leave your inquiry with NAVER English Dictionary Customer Center (https://help.naver.com/service/24549/category/bookmark?lang=en) in case a problem occurs while using the app.

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

NAVER Dictionary3 screens
Buff4 screens

Verdict

The call

The clearest difference is ads: Buff at none against NAVER Dictionary's shown. Buff also leads on monetization model (free vs free with in-app purchases) and rating (3.5 vs 3.2). NAVER Dictionary's advantage is ratings volume (251 vs 4). On price, review sentiment, 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.

ReceptionRating · Positive reviews · Number of ratings

Buff holds the better App Store score, 3.5 against 3.2. That said, the two scores are not equally well evidenced: NAVER Dictionary has 251 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 36% of NAVER Dictionary's written reviews are positive against 43% of Buff's.

UpkeepUpdate frequency

NAVER Dictionary ships an update every 2 months, Buff every 3 weeks. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
NAVER Dictionary versus Buff: the parameters behind the verdict, then further details
ParameterNAVER DictionaryBuff
PriceFreeFree
Rating3.2 (251 ratings)3.5 (4 ratings) — better
Positive reviews35.6% of reviews43.5% of reviews — better
Number of ratings251 — better4
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better13.1
Further details — not scored
Size71 MB228 MB
Age rating17+4+
DeveloperNAVER Corp.CREVERSE, Inc.

Customer experience

NAVER Dictionary

All ratings251 ratings
Positive50.2%
Neutral11.6%
Negative38.2%
Written reviews444 reviews
Positive35.6%
Neutral15.8%
Negative48.6%

Buff

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

Bugs and requests

NAVER Dictionary

Reported bugs

3 issues
  • App crashes frequently
  • Login/sign-up issues
  • Inconsistent behavior across updates

Requested features

4 requests
  • Add pronunciation audio
  • Improve dictionary search and navigation
  • Provide dark mode option
  • Sync word lists across devices

Buff

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

NAVER Dictionary

No in-app purchases

None

Buff

No in-app purchases

Questions

Is NAVER Dictionary free?
NAVER Dictionary is free to download, with no in-app purchases.
Is Buff free?
Buff is free to download, with no in-app purchases.
Which has better reviews, NAVER Dictionary or Buff?
Buff is rated higher. NAVER Dictionary averages 3.2 out of 5 from 251 ratings, while Buff averages 3.5 from 4 ratings.
Do NAVER Dictionary or Buff have ads?
NAVER Dictionary shows ads; Buff does not.
Which is updated more often, NAVER Dictionary or Buff?
NAVER Dictionary ships an update every 2 months, and Buff every 3 weeks. Most recently, NAVER Dictionary was updated on October 19, 2026 and Buff on October 17, 2026.

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