Learn English faster, in your own voice.

An 8-second recording. Any accent welcome. AI clones you and reads any English text — so you listen more, and speak more naturally.

Why learners love bySentence

Listen in your own voice

Your accent is a feature, not a bug. Familiarity helps you stay with English longer.

Sentence-by-sentence

Every sentence aligned with pro audio + AI explanation. No more lost-in-the-page.

Built for Japan first

Crafted for Japanese learners. Works anywhere English is a second language.

Get the iOS app

Full sentence-by-sentence reader with aligned audio and AI explanations.

Download on the App Store