Flashcards
Flip, review, and master FSRS flashcards that feed you words when fluency grows weak.
Ludus turns teacher-assigned vocabulary into games and practice that build real competency.
Turn studying into daily curated card packs.

Watch your companions grow as you master new skills and level up.
Personalized learning curve based on word mastery
Progression based curriculum that welcomes all levels into courses



Build habits and compete with friends around the world.
We built Ludus to be your second brain.
Match logic reduces the cognitive load to the point that learning stops. Ludus encourages your brain to produce the right answer.
Find the words you need with ease and save in one tap. Instantly add them to your daily practice rotation or build a custom set of words.
Find activities that meet your study needs where you are. Always in sync with your saved sets.
Flip, review, and master FSRS flashcards that feed you words when fluency grows weak.
Type fast and destroy asteroids before they fall to the bottom of the screen.
Adaptive multiple choice that surfaces weak words each wave of questions.
Timed practice questions. Type-based answers for maximum recall growth.
Ludus combines spaced repetition with gamification to make language learning engaging and effective. Our unique creature companions grow with your progress, making learning feel rewarding.
Ludus uses the FSRS (Free Spaced Repetition Scheduler), an AI-powered algorithm that learns how well you remember each card. Cards you find easy appear less often, while harder cards come back more frequently, so your time is spent on what really matters.
Ludus offers a free tier with core features. Premium subscriptions unlock additional content, advanced analytics, and exclusive creature evolutions.
We currently support French, Spanish, Italian, and German, with more languages coming soon.
Create an account instantly and reach language fluency with ease.