Nudge: English-Korean Vocab

Nudge is an English vocabulary app made for Korean speakers. Every word comes with a clear Korean meaning and a natural example sentence, so you learn how words are actually used — not just definitions.

Living abroad? Studying for an exam? Just five minutes a day is enough. Nudge gently reminds you of the words you are about to forget, right when a quick review works best.

WORD PACKS FOR REAL GOALS
• CSAT (수능) vocabulary — including packs built from real past exams, year by year
• Civil service exam (공무원 9급) past-exam packs — national and local exams
• Mock test (모의평가) packs for the June and September exams
• TOEIC and TOEFL essentials
• Everyday conversation packs: greetings, travel, airport, restaurant, shopping, hospital, banking, job interviews, business meetings and email
• Phrasal verbs, commonly confused words, and emotion vocabulary

BUILT-IN DICTIONARY — 70,000+ WORDS
Look up any English word instantly, fully offline. Found a new word? Add it to your own word list with one tap and start reviewing it right away.

SIX WAYS TO STUDY, ZERO BOREDOM
• Flashcards — flip, recall, and mark what you know
• Multiple choice quiz — check yourself fast
• Listening quiz — hear the word, pick the meaning
• Spelling — type the word from its Korean meaning
• Matching — pair English and Korean against the clock
• Word Rain — an arcade-style typing game where words fall from the sky

SMART REVIEW (SPACED REPETITION)
Nudge tracks every answer and schedules reviews using a proven spaced-repetition system. Words you know well appear less often; words you miss come back sooner. Your study time goes exactly where it matters.

MAKE IT YOURS
• Create your own word packs and folders
• Star important words and study them first
• Study reminders at the time you choose
• A home-screen widget that shows today's word
• Track your streak, progress and stats at a glance
• Light, dark and system themes

SIMPLE AND LIGHT
• No sign-up, no account — install and start learning
• Works offline: dictionary and bundled packs are on your device
• Free to download and use

Whether you are preparing for the CSAT or a civil service exam back home, working toward a TOEIC score, or just want to stop forgetting the English words you meet every day — Nudge keeps your vocabulary growing, one small nudge at a time.

Questions or suggestions? We would love to hear from you.