oscar / Learn Korean
Learn Korean with YouTube, Shorts and books.
oscar turns real Korean videos and books into lessons: tap any word in the subtitles, keep it as a flashcard with the picture and sound from the scene, and review it right before you would forget it.
Join the betaFree during beta · iPhone, Android, Windows & Mac
Watch Korean, tap a word
Open any YouTube video or the Shorts feed in oscar. Every Korean word you do not know yet is marked in the subtitle; one tap pauses the scene and opens the dictionary with the meaning, the forms and an AI explanation of this exact sentence. The dictionary is stored on your phone, so it works offline.
A Korean Course you can walk
The Course path goes through Seoul, Busan, Gyeongju and the hanok villages. A three-minute level check sets your start, and beginners begin with Hangul. Voiced scenes, chests and card packs come along the way.
Grammar with Halmeoni
Under the Course street, a lift goes down into the Grammar Depths: one stop per rule, run by Halmeoni, who greets you, grumbles at a mistake and reads every right answer aloud. Pass the final test for a certificate. The stops:
- Is: 이에요/예요, and 은/는
- Object 을/를, place 에 and 에서
- Polite present: -아요 / -어요
- There is, I have: 있어요 / 없어요
- Past: -았어요 / -었어요
- Not and can’t: 안, -지 않아요, 못
- And, and so: -고, -아서 / -어서
- 이/가 or 은/는
Also in oscar
Learn any video
Pick a video and oscar finds the words you are missing, then turns them into a short Course stop. The cards it makes replay the moment from the video.
Flashcards that make themselves
One tap saves the word as a card with the screenshot, the audio and the sentence. A built-in spaced-repetition scheduler (FSRS) brings each card back right before you would forget it.
Books, articles and PDFs
Nine classic books in each language are already on the shelf. Add your own texts and PDFs, or point the camera at a paper page.
Talk to oscar
A voice tutor who knows your level and speaks just above it. Hold the button, speak, and get corrected.
Works offline
The dictionary and your reviews work without internet.
Phone and desktop
iPhone, Android, Windows and Mac, with cards and known words synced. A Chrome extension adds the dictionary to YouTube and any website.
Questions
Can I learn Korean from YouTube with oscar?
Yes. oscar plays YouTube and Shorts with Korean subtitles you can tap: each word opens a dictionary and can be saved as a flashcard that replays the moment. "Learn this video" picks the words you are missing from any video and turns them into a short Course stop.
Is oscar good for Korean beginners?
Yes. A three-minute level check finds your start, the first lessons teach Hangul, and the Course builds up to real videos and books.
Does oscar teach Korean grammar?
Yes, in the Grammar Depths: Is: 이에요/예요, and 은/는, Object 을/를, place 에 and 에서, Polite present: -아요 / -어요, There is, I have: 있어요 / 없어요 and more, one stop per rule, with Halmeoni as your guide.
How much does oscar cost?
oscar is free during the beta. A paid plan, oscar.+, comes later; beta testers get it free.