Built on spacing science and high-quality decks maintained and improved by experienced educators — designed so you spend time on what’s slipping, not re-drilling what you’ve already got.
Retentio is a smart flashcard app powered by spaced repetition science. It optimizes your review schedule so you spend less time studying while retaining more. Whether you're learning languages, preparing for exams, or mastering new skills, Retentio adapts to your memory patterns for maximum efficiency.
Learn in your preferred language with full internationalization support.
Our spaced repetition algorithm adapts to your learning pace for optimal retention.
A clean, modern interface that makes studying a pleasure, not a chore.
Leverage artificial intelligence to generate flashcards and optimize your study sessions.
Add flashcards manually or import them from various sources. Organize them into decks for easy management.
Our algorithm schedules reviews at the optimal time, right before you're about to forget.
Watch your knowledge grow over time with detailed statistics and progress tracking.
Join thousands of learners who are already using Retentio to remember more, for longer.
Download on App Store