Spaced Repetition Algorithm

Learn any language. Remember everything.

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

Why Zokki?

Built to make vocabulary stick.

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

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

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