Rakulingo vs 버터 일본어
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rakulingo
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Your AI companion for understanding Japanese. Instantly understand any Japanese you meet. Watching anime, reading manga, playing a game, studying a textbook, or walking through Tokyo - Rakulingo explains it on the spot, in your language. STORIES Read short stories that begin in English and slowly turn Japanese. Every sentence is narrated, every word can be tapped, and each chapter teaches a few words you will meet again in the next one. A gentle way into real Japanese - no flashcards, just a story you want to finish. YOUR JAPANESE COMPANION, EVERYWHERE Rakulingo works with whatever you are doing. Studying a textbook? Get a deeper explanation. Watching Netflix? Understand every line. Reading manga? Decode every panel. Gaming on the couch? Snap a photo of the TV and understand the dialogue. Walking in Tokyo? Read every sign. One app, endless possibilities. CAPTURE JAPANESE FROM ANYWHERE • Screenshot subtitles, text, or anything on screen • Record audio from videos, podcasts, or conversations • Photograph books, signs, menus, or handwriting • Point your camera at a TV or console screen while you play • Browse Japanese websites with instant help • Open your own PDFs, ebooks, and videos JLPT N5 PRACTICE Practice every N5 question type, one question at a time — kanji readings, vocabulary, grammar, reading passages, and the full listening section. Listening questions come with real recorded audio and scene pictures: the practice material that is hardest to find on your own. Every answer gets a plain explanation of why it is right and why the others are not. Unofficial material written with AI assistance and reviewed; not affiliated with the JLPT organizers. GAME ROOM Play your own Japanese games and learn as you play. Bring a legal backup of a game you own — Hana sees the screen and explains it live: press Explain and the text breaks down word by word, with translations and readings one tap away. Works with a controller too. SPECIALIZED AI ASSISTANTS • Sentence Explainer - a complete breakdown of grammar, particles, and vocabulary • Translator - instant translation in both directions • Furigana - reading guides for any kanji • Japanese Teacher - ask anything, anytime • Speaking Buddy - practice conversations with an AI that answers naturally and suggests how to keep the conversation going • Web Browser - read Japanese sites with live help, screenshots, audio capture, and copy-paste • Reader - understand your own PDFs, ebooks, images, videos, and audio OFFLINE DICTIONARY Tap any word in a reply or a story to look it up. Once downloaded, it works without internet. PERFECT FOR EVERY LEARNER • Beginners - understand from day one, with explanations in your language • Students - add instant, detailed explanations to your studies • Immersion learners - turn entertainment into practice • Advanced learners - tackle native content with nuanced support • Travelers - get around Japan with confidence • Casual users - quick translations whenever you need them WORKS IN YOUR LANGUAGE Explanations in 15 languages: English, Portuguese, Spanish, French, German, Italian, Korean, Chinese, Hindi, Polish, Dutch, Indonesian, Vietnamese, Turkish, and Thai. WHY RAKULINGO? Dictionaries translate; Rakulingo explains. Textbooks teach in isolation; Rakulingo works with real content. Classes end; Rakulingo is always with you. It is your personal Japanese expert in your pocket, ready for whatever Japanese you run into. FREE TO START Try every assistant with free credits and read the first story chapters for free. Subscribe when you want unlimited use. Understanding Japanese does not have to be hard. With Rakulingo, you are never alone on your Japanese journey. Download now and turn every encounter with Japanese into a chance to learn. By using Rakulingo, you agree to the Apple Standard Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
버터 일본어
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버터 일본어는 JLPT 단어부터 30일 회화까지, 일본어 실력을 빠르게 끌어올리는 실전 학습 앱입니다. [오픈 기념 이벤트] 2026년 5월 31일까지 다운로드하신 분께 프리미엄 전 기능을 평생 무료로 제공합니다! 이후 다운로드 시에도 앱을 다운로드 받은 날부터 14일간 무료 체험이 제공됩니다. 핵심 기능 - JLPT 단어 학습: 단어/뜻/예문으로 단어를 맥락 속에서 체득 - 읽기 연습 + 발음 정확도 확인: 내 발음을 바로 확인하고 즉시 교정 - 필기 연습: 눈으로 익힌 표현을 손으로 정착시켜 기억 강화 - 30일 회화: 핵심 표현과 패턴 변형으로 초급 회화 완성 - 일본 동화 읽기: 읽고 듣는 몰입 학습으로 일본어와 문화 동시 이해 이런 분께 추천해요 - 일본어를 처음 시작하지만 빠르게 말문을 트고 싶은 학습자 - JLPT 단어를 암기가 아니라 이해 중심으로 익히고 싶은 분 - 읽기/발음/필기를 함께 훈련해 실력을 확실히 올리고 싶은 분 개인정보 및 권한 - 마이크 권한: 음성 연습 기능에서만 사용 - 음성 인식 권한: 음성 연습 기능에서만 사용 이용약관(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Rakulingo at 15.5 against 버터 일본어's 17.0. On price, update cadence, ads and in-app purchases 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. Rakulingo sells 3 in-app purchases, starting at $3.99 per 7 days and 버터 일본어 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Rakulingo ships an update every 2 weeks, 버터 일본어 weekly. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.
| Parameter | Rakulingo | 버터 일본어 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 160 MB | 14 MB |
| Age rating | 17+ | 4+ |
| Developer | Antonio Scandaroli | JAE KEUN YOON |
In-app purchases
Rakulingo
- Access to premium AI$3.997 Days
- Access to premium AI$9.991 Month
- Access to premium AI3 Days trial$95.991 Year
버터 일본어
- 버터 일본어 월간 구독$0.991 Month
- 버터 일본어 연간 구독$6.991 Year
- 버터 일본어 평생 이용권$9.99









