Booklet uses spaced repetition science to help you build vocabulary in any language โ just 10 minutes a day.
Download on the App StoreNative iOS performance. Silky animations, instant responses โ zero lag between taps.
SM-2 spaced repetition shows each card at the exact moment you'd forget it.
No gamification noise. Just you, your cards, and measurable daily progress.
Every micro-interaction is crafted to make studying feel good, not like a chore.
Rate each card as Hard, Okay, or Easy. The algorithm instantly adjusts your future schedule โ so you spend time on what matters, not what you already know.
Beautiful analytics show your retention rate, study streak, and words mastered โ all at a glance. Motivation is built into every screen.
Organise vocabulary into decks by language, topic, or class. Browse millions of community decks or build your own from scratch in seconds.
Booklet implements the SM-2 algorithm โ the same method used by the world's best language learners. Review cards right before you'd forget them, and build memory that lasts for years.
Every card includes real native-speaker audio. Train your ear, not just your eyes. Tap once to hear perfect pronunciation.
Paste any text โ an article, a song, a book โ and Booklet extracts vocabulary and generates cards instantly.
Your decks and progress sync across iPhone, iPad, and Mac via iCloud. Pick up exactly where you left off.
Study on a plane, in the subway, anywhere. Booklet works completely offline โ no connection needed for your daily review.
Access millions of community-built decks. Find your exact curriculum โ JLPT, HSK, DELF, DELE โ in seconds.
No ads. No selling your data. No account required to start. Your learning stays on your device.
"I tried Duolingo for years. Nothing clicked. Booklet's SRS made me pass JLPT N3 in 6 months. I actually look forward to my morning session."
"The AI card generation is incredible. I paste a Spanish article and get a full deck in 30 seconds. My vocabulary went from B1 to B2 in three months."
"As a language teacher I recommend Booklet to all my students. The progress charts let me see exactly where they're struggling. Finally an app that takes SRS seriously."
"Finally an Anki alternative that doesn't look like it was built in 2003. All the science, none of the friction. My 42-day streak speaks for itself."
"I commute 40 mins each way. Booklet turned dead time into 800 new French words. The offline mode is flawless โ subway signal doesn't matter."
Join millions of learners building vocabulary that sticks. Download Booklet free on the App Store.
Download on the App Store