Spaced repetition for real life
Learn languages that stick.
Short sessions on a steady schedule—built for retention, not cramming. Choose a language below to practice, or read Why it works in the header.
v0.2.3
Science, not slogans
Built on 5 scientific theories
PolyCards combines ideas from cognitive science and language acquisition so every tap on a card does more than drill a list.
Read the full breakdownBuilding in the open
PolyCards is in active development—we're building it in the open.
What's happening: We're creating a science-backed language learning tool that combines 5 proven methods—spaced repetition, comprehensible input, active recall, frequency-based learning, and sentence-based learning.
Three ways to get involved
Choose Your Language
Select a language to get started
Arabic
العربية ↔ English
⏳ COMING SOON
100 words • 10 categories
Finnish
Suomi ↔ English
⏳ COMING SOON
100 words • 10 categories
Swedish
Svenska ↔ English
⏳ COMING SOON
100 words • 10 categories