Spaced Repetition Algorithm

Learn any language. Remember everything.

Lexo uses scientifically proven spaced repetition to show you the right cards at the right time — so new vocabulary actually sticks.

Download on the App Store
Lexo app screenshot
Why Lexo?

Built to make vocabulary stick.

Smarter Every Day

Cards are scheduled with a spaced repetition algorithm — the harder a card is, the sooner you see it again.

Flip-Card Reviews

Tap to reveal, then rate your recall. Clean, distraction-free sessions that keep you focused.

Daily Reminders

Set a daily goal and get notified. Build a streak. Stay consistent and make progress every day.