Flash Dictionary vs 모얌북
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Dictionary
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Flash Dictionary turns the world around you into a vocabulary notebook — whether you're picking up a new language or pushing into advanced words and phrases in one you already speak. Point your camera at a menu, a book, or a street sign — Flash Dictionary reads the words on it, looks up what they mean, and tucks them into a notebook you can come back to. Voice and typing work too, for the moments you don't have a photo. WHAT YOU CAN DO • Capture from photos. Snap a picture of any text and the app extracts the words worth learning, in the language you're studying. • Speak it in. Voice dictation lets you save a word hands-free, in 30+ language locales. • Hear it spoken. Every saved word gets a native-quality voice playback, with adjustable speed for tricky pronunciations. • Lean on AI. Meanings, example sentences, and part-of-speech are filled in automatically, so you spend your time learning, not looking things up. • Organise by language. Keep one notebook for Spanish, another for French — switch tabs with a tap, search across either. HOW IT WORKS 1. Sign in with Apple or Google. 2. Pick your native language and the languages you're learning. 3. Add a word by photo, voice, or typing — it syncs to your account and is ready next time you open the app. BUILT FOR 30 LANGUAGES Spanish, French, German, Italian, Portuguese, Mandarin Chinese, Japanese, Korean, Arabic, Russian, Turkish, Hindi, Bengali, Urdu, Persian, Vietnamese, Indonesian, Thai, Polish, Dutch, Swedish, Norwegian, Danish, Finnish, Czech, Romanian, Greek, Hebrew, Ukrainian, and English. WHY IT'S DIFFERENT • Works whether you're starting from scratch or already fluent — capture your first hundred words, or your next thousand advanced ones. • Built for the way people actually pick up vocabulary: in the wild, from real things you see and hear. • No drills, no streaks, no shame. The notebook is yours; revisit when you want. • Sentence-case spelling preserved consistently so your list always looks clean. • Free. No ads. No in-app purchases. PRIVACY Words you save and notes you write belong to you. They are stored against your account so they travel with you across devices. We don't sell or share your data, and we don't use your email for marketing. Sign in with Apple is supported. A pocket-sized, AI-assisted way to keep every word you pick up — from anywhere.
모얌북
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모얌북은 아직 글을 모르는 아이도 부모와 함께 즐기는 유아 낱말, 글자 학습 앱이에요. 화려한 게임 대신 예쁜 카드와 또렷한 발음으로 첫 배움을 차분하게 시작합니다. [낱말카드] 동물, 곤충, 바다 친구, 과일, 탈것, 우리 몸 등 아이에게 친근한 주제. 또렷한 실사 사진과 부드러운 수채화 그림을 함께 담았고, 한국어, 영어, 일본어, 중국어 네 가지 언어 발음을 들려줘요. [언어공부 - 글자 따라쓰기] - 한글: 자음(ㄱㄴㄷ), 모음, 가나다 첫걸음 - 영어: ABC - 일본어: 히라가나, 가타카나 - 중국어: 한자 첫걸음 손가락으로 글자를 직접 따라 쓰며 모양과 소리를 함께 익혀요. 잘 따라 쓰면 폭죽이 팡! 아이가 더 즐겁게 반복합니다. [프리미엄 목소리와 학습 설정] 여성, 남성 아나운서의 또렷한 발음, 자동 넘김과 읽기 속도 조절로 우리 아이에게 맞는 속도로 학습할 수 있어요. [아이가 써도 안심] 부모 화면과 아이 화면을 분리했어요(부모 PIN). 아이가 혼자 조작해도 결제나 설정 화면으로 넘어가지 않습니다. 아이 프로필 사진은 기기에만 저장되며 서버로 전송되지 않아요. [프리미엄 구독 안내] - 신규 가입 시 프리미엄 1주일 무료 체험이 자동 적용됩니다. - 프리미엄 구독 시 여성, 남성 아나운서 목소리, 학습 설정, 모든 언어 묶음을 이용할 수 있어요. - 구독 기간: 1개월(자동 갱신), 가격은 앱 내 구매 화면에 표시된 금액입니다. - 결제는 구매 확정 시 Apple 계정으로 청구됩니다. - 현재 기간 종료 24시간 전까지 해지하지 않으면 자동 갱신되며 갱신 요금이 청구됩니다. - 구독 관리와 해지는 기기의 설정 > Apple 계정 > 구독 에서 언제든 가능합니다. 이용약관: https://show4you.xyz/apps/moyam-book/terms 개인정보처리방침: https://show4you.xyz/apps/moyam-book/privacy 문의: master@show4you.xyz
Screenshots
Verdict
The clearest difference is ads: Flash Dictionary at none against 모얌북's shown. 모얌북's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
Flash Dictionary ships an update every 3 weeks, 모얌북 weekly. The most recent releases landed on September 26, 2026 and September 28, 2026 respectively.
| Parameter | Flash Dictionary | 모얌북 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 44 MB | 72 MB |
| Age rating | 9+ | 4+ |
| Developer | Neslihan Ilgenci | HO JIN KIM |
In-app purchases
Flash Dictionary
No in-app purchases
모얌북
No in-app purchases









