A transparent overlay that teaches vocabulary during games, movies, and work. Powered by spaced repetition — words stick for life.
Words appear on top of any application — games, movies, browser. Non-intrusive, transparent, and click-through.
SM-2 algorithm schedules reviews at optimal intervals. Learn faster and remember longer with science-backed timing.
4,400 curated words from A1 Beginner to C2 Proficiency. Create custom libraries with auto-translation.
Multiple-choice challenges to learn new words fast. Answer correctly twice and the word is marked as learned.
Classic flip cards with smart scheduling. Rate your confidence and the algorithm adapts to your pace.
Track your daily streak, words learned, and progress across all libraries with detailed analytics.
Choose the plan that works for you. All plans include full access to every feature.