Create your cards.
Build your study routine.

Choose a card type for your material, organize your collection, and review what’s due. Explore each part of Cortex below.

Create cards from text and images.

Basic, cloze, and image occlusion cards support different ways to test recall. Add rich text, images, audio, and personal notes to your material.

Basic

Write a question on the front and its answer on the back. Add explanations or notes when you need them.

How is cardiac output calculated?

Cloze

Hide a word or phrase in a sentence. Try to recall the missing text, then reveal it.

The […] separates the left atrium from the left ventricle.

Image occlusion

Cover labels or regions in an image. Reveal the covered area when you check your answer.

Which cell structure has the covered label?

Find the card you need. See it in context.

Search your Library and filter by deck, tag, card type, or due date. Select a card to read its content, notes, and media without leaving the results. Try searching or selecting a sample card below.

Interactive demo / Search or select a sample card
Library
Sample collection
15 cardsContent
Medicine / Cardiology3
Medicine / Anatomy5
Medicine / Musculoskeletal3
Spanish3
Biology1
BasicPreview

How is cardiac output calculated?

Heart rate × stroke volume.

Personal notes

At 70 beats/min and 70 mL/beat, cardiac output is approximately 4.9 L/min.

PhysiologyHemodynamics
Your notes stay personal.
Bringing an Anki collection? See what transfers

Set up your daily reviews.

Think of the answer, reveal it, and choose Again, Hard, Good, or Easy based on how well you remembered. Cortex uses your reviews to decide when to show each question again.

Adjust your study schedule

Choose a preset to start. Set how much new material you study each day and adjust your review schedule in the app.

Study with a keyboard or remote

Reveal answers and rate them with keyboard shortcuts or a compatible study controller.

Try the Study demo on Home How does Cortex plan the next review?

Contribute to a shared deck.

Build a shared deck with classmates or other learners. Cortex Plus lets you download other people’s decks and contribute new cards and improvements. Everyone keeps their own notes and study progress.

Contribute to the same deck

Add a card or suggest a correction. The deck’s moderators review contributions before sharing them with everyone.

Follow a course

Follow material organized around modules and lectures. Join a course to access its private material and work through it at your own pace.

See your review history.

Compare review counts, study time, and retention across decks and date ranges.

Cortex Stats showing sample study activity, date-range controls, review totals, and review chartsCortex Stats in light appearance showing the same sample study activity and charts
Native Cortex interface · Sample study activity

Know when Cortex launches.

Notify meComing soon to the App Store