Learn from what you already watch

Nim puts a dictionary under your cursor and subtitles you can read on any video, then keeps the words you saved waiting on your phone.

Nim on the App Store Chrome extension — coming shortly

Two halves of one habit

In your browser

Subtitles in the language you are learning with the translation underneath, even on videos that have no subtitle file, because Nim can read the ones burned into the picture. Rest the cursor on any word, anywhere on the web, and the meaning appears straight away.

On your phone

Every word you save arrives as a flashcard with its reading, a translation and the sentence you met it in. Spaced repetition decides when you see it again. Your decks stay on your device and in your own private iCloud.

What it knows

Chinese, English and Spanish have a dictionary built in, so looking a word up is instant, costs nothing, and works however much you read.

LanguageDictionaryWords
Chinese, traditional and simplifiedBuilt in125,097
EnglishBuilt in1,030,105
SpanishBuilt in748,146
Japanese, Korean, French, German, ItalianAnswered by a model—

Chinese also has stroke order, pinyin and zhuyin.

What it costs

Nim is free to use. Reading pages costs nothing at all. The free tier includes about three minutes a day of reading subtitles out of a video, which is the only expensive thing Nim does, and roughly an hour and a half a day of videos whose site already has subtitles.

Nim Pro is €5.99 a month or €49.99 a year, with a seven day free trial. One subscription covers the app and the browser extension: sign in with the same email in both and it follows you.

Who runs it

Nim is made by one person in Germany. There is no analytics, no tracking and no advertising, and the only data that reaches the server is the word you asked about and the sentence around it. The privacy policy says exactly what is kept and for how long.

Questions, problems or refunds: hello@nimstudy.com, answered by the person who wrote the app.