OneLine: Learn Korean Daily

Put your Korean into practice. Learn Korean grammar and vocabulary, then use them in your own writing and in text conversations. When you write, an AI coach shows you how a Korean speaker would say it and explains the change in plain English. WRITE ABOUT YOUR LIFE Start from a daily prompt matched to your level, from your first sentences to B2, with the words, grammar and example answers for it one tap away. A COACH THAT EXPLAINS EVERY FIX Submit your answer and the coach shows the natural way to say it. It points out what a Korean speaker would notice, like a particle, the word order or a stiff phrase, and explains why in plain English. If your answer is already natural, it says so. HEAR IT READ BACK Play any corrected sentence in a native Korean voice and hear how your own words should sound. KOREAN GRAMMAR YOU CAN USE THE SAME DAY Grammar lessons from A1 to B2 with plain explanations and real examples. Learn a pattern, then use it in your own writing. VOCABULARY FROM YOUR OWN PROMPTS Save words and grammar as you meet them. Study brings them back on a schedule (spaced repetition) until they stick. KEEP THE CONVERSATION GOING Practise short text conversations in Korean with Buddy, your AI coach, and get feedback during and after the chat. A STREAK THAT'S HONESTLY COUNTED Your calendar shows every day you practised, your current run and your best. Missed a day? Answer it late and keep your run going. FREE, WITH NO LIMITS Everything in OneLine is free, with no daily limit. Writing, saving your answers, grammar lessons, vocabulary, Study and your streak have no ads. AI corrections, chats with Buddy and "Write your own" practice are free too, after a short video ad. ONELINE PRO Pro removes the ads and lets you choose which topics your daily prompts come from. Monthly or annual. Prices and any eligible offers are shown in the app. Subscriptions renew automatically unless cancelled in your App Store settings. Questions? support@one-line.app Terms: https://one-line.app/terms Privacy: https://one-line.app/privacy