Complement: Spaced Repetition

Complement is a spaced-repetition app for serious learners. Import your Anki collection, study with the FSRS scheduler, and see your day at a glance. When a card isn’t sticking, go deeper without leaving it: - Ask about any card and get an explanation grounded in what’s on it - Break down a term into its roots, meaning, and related concepts - Practice with board-style questions that explain every answer choice Built for how you study: - FSRS scheduling that adapts to how well you actually remember - A home screen that shows what’s due, how heavy today is, and when you recall best - A picture of every session: where each card landed and when it comes back - Browse, search, and organize every card in your decks - Home Screen widgets for your daily reviews AI features run on OpenRouter, so you choose the model. Made for medical students, and useful for anyone learning a large body of knowledge. Complement is an educational tool and does not provide medical advice.