Kardio

Flashcards that remember for you.

Download on theApp Store

iPhone, iPad and the web. Android to follow.

AI cards from any document

Paste notes, upload a PDF or Word file, or drop in a link. Kardio writes clear question-and-answer cards you can edit before saving.
Spaced repetition

Grade each card Again, Hard, Good or Easy and Kardio decides when you see it next — so you review just before you would forget.
Past-paper import

Import a past exam paper and its mark scheme. Questions become cards in order, with marks and section labels kept as hints.