Recursio · Language Practice

Practice English that sticks.

Build vocabulary, master grammar, and bring it all back with spaced recall and an AI coach — in one calm, focused app.

Free to start · iOS & Android

What you get

Everything you need to actually remember

Vocabulary, grammar and recall, plus AI Coach, Writing and Grammar — designed to turn study time into lasting progress.

Build a personal word list, organize your space, and practice the words you actually use.

Explore focused topics, run short built-in drills, and continue with AI when you need more.

Daily Mixed Review brings back active words right before you forget them — calm, focused practice.

Targeted drills and thematic chats that rebuild your weak spots with gentle, guided feedback.

Practice with dictation, Speaking, Sentence Builder, and Writing Scaffold to train active recall.

Get explanations and corrections in context, so a mistake turns into the next thing you learn.

A look inside

Swipe through the app — every screen is designed to keep you practicing.

Download Recursio for iOS or Android, or open the web version right in your browser.