title: Welcome to Cards date: 2024-12-01 excerpt: Cards is a smart flashcard app built for language learners. Here's how it works and why we built it.

Welcome to Cards

We built Cards because we believe spaced repetition shouldn't be complicated.

What is Cards?

Cards is an offline-first flashcard app powered by the FSRS spaced-repetition algorithm. It learns how well you know each card and shows it to you at exactly the right moment — just before you'd forget it.

How it works

Create or browse decks — build your own deck or pick a public one from the library.
Study on your schedule — Cards shows you the cards due for review each day.
Track your progress — see how your retention improves over time.

Why FSRS?

FSRS (Free Spaced Repetition Scheduler) is an open-source algorithm developed by researchers and widely adopted by the learning community. Unlike older algorithms, FSRS models your actual memory — not just your review count.

We're excited to have you here. Download Cards and start your first deck today.