Lock in Language Fluency
with
Fluency Lock
See the new language side-by-side with yours
and highlighted karaoke-style audio.
Reading Input
Follow bite-sized articles and dialogues with bilingual parallel text. Strengthen comprehension while reading content that’s clear, useful, and just challenging enough.
Listening Input
Listen to native speakers with karaoke-style playback that highlights text as you hear it. Learn pronunciation, rhythm, and meaning—all at your own pace.
Lock it In
Combining reading and listening unlocks comprehensible input—a proven method (Krashen) that helps you acquire language naturally and enjoyably every day.