NAVER Dictionary vs FlashFluency
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 70+ Dictionaries
- 30M+ Headwords
- Everyday English Conversation
- Pronunciation Evaluation
- User-created Dictionary Platform
- Multiple English Accents
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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.
FlashFluency
Master Korean from basic Hangul to fluency with AI-powered pronunciation feedback and sentence building. Learn one new concept at a time with spaced repetition for effective memorization. Instant explanations for vocabulary and grammar are available.
- Syllable-level AI pronunciation feedback
- AI sentence coach for writing practice
- +1 system for learning one concept at a time
- Spaced repetition for memorization
- Instant vocabulary and grammar explanations
- Frictionless learning experience
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Flash Fluency is an all-in-one Korean app, from Hangul to fluency. So is every other app. Here's what's different. CONTENT-TO-CURRICULUM Song lyrics, a news article, your class notes, a drama script. Bring any Korean you actually care about and Flash Fluency pulls out every vocab word and grammar point, then teaches them to you in new sentences. SYLLABLE-LEVEL PRONUNCIATION FEEDBACK AI feedback on every syllable you speak, covering every Korean pronunciation rule. Your recording beside a native voice, block by block, so you know exactly what you got wrong and how to fix it. TRANSLATION COACHING Write real Korean from your first lesson. Every sentence comes back with corrections, naturalness tips, and style notes, down to the particle. +1 AND SRS Each sentence introduces exactly one new concept, so you're never lost. Spaced repetition brings it back right before you'd forget it. SKILLS THAT STACK Read it, hear it, recall it, translate it, speak it. Each stage feeds the next. Complete beginner? Start with the Hangul course, then Korean Fundamentals. No prior Korean needed. Coming soon: conversational exercises and a 10,000-word TOPIK learning order. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.flashfluency.net/privacy_policy
Screenshots
Verdict
The clearest difference is review sentiment: FlashFluency at 100% against NAVER Dictionary's 36%. FlashFluency also leads on rating (5.0 vs 3.2) and ads (none vs shown). NAVER Dictionary's advantage is in-app purchases (none vs 2) and ratings volume (251 vs 2). On price, monetization model, device support and iOS requirement 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. FlashFluency sells 2 in-app purchases, starting at $5.99 per month. NAVER Dictionary asks for nothing beyond the download.
FlashFluency holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: NAVER Dictionary has 251 ratings behind it against 2, 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 100% of FlashFluency's.
NAVER Dictionary ships an update every 2 months, FlashFluency every 3 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | NAVER Dictionary | FlashFluency |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (251 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 35.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 251 — better | 2 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 71 MB | 94 MB |
| Age rating | 17+ | 12+ |
| Developer | NAVER Corp. | Flash Fluency |
Customer experience
NAVER Dictionary
FlashFluency
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
FlashFluency
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NAVER Dictionary
No in-app purchases
FlashFluency
- Flash Fluency Core7 Days trial$5.991 Month
- Flash Fluency Premium7 Days trial$12.991 Month









