Osmoza
How it works Features Pricing Log in Start free
Real videos & podcasts · 30 languages

Learn a language by
watching what you love.
One tappable word at a time.

Every word tappable, colour-coded by how well you know it, saved into reviews that quiz you with the exact clip where you first met it.

Start free → See how it works
seoul market walk · comprehensible for you: 94%
[ video ]
시장에 왔어요. 오래된 역사를 가지고 있어요.
I came to the market. It has an old history.
New Learning Known
Three steps, then just watch.
01

Pick something real

Every video and podcast shows how much of it you already understand.

02

Tap the words you don't know

Meaning, reading and grammar instantly. Save one and it changes colour as you learn it.

03

Review from the real clip

Spaced repetition quizzes you with the exact sentence and audio where you met it.

Every word, one tap away

Definitions from licensed dictionaries, plus an AI tutor that explains any sentence at your level.

Know before you watch

“You know 94% of the words in this” — so you always pick something you can actually follow.

Reviews that stick

Spaced repetition built from real context, not flashcard lists you'll never recognise in the wild.

Now learning
🇰🇷 Korean 🇯🇵 Japanese 🇪🇸 Spanish 🇸🇦 Arabic + 26 more
Free stays genuinely useful.
No dark patterns. Cancel anytime.
Free
$0
All content
Tappable transcripts
Reviews (SRS)
5 AI explanations / day
Start free
Plus
$9/mo
Everything in Free
Unlimited AI tutor
Offline downloads
Advanced stats
Go Plus
Osmoza
Privacy · Terms · Licenses · © 2026 Osmoza