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The best flashcard app for studying builds cards from your notes

Upload a PDF, slides, notes or a photo of a page. DeckOwl writes the flashcards and schedules reviews with spaced repetition.

Create flashcards nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates flashcards in seconds

How to choose a flashcard app for studying

Most students compare the best flashcard app for studying by asking one question: who writes the cards? Apps that make you type every term take time away from reviewing. An AI flashcard generator reads your own lecture slides or textbook chapter and drafts cards from it, so the deck matches what your course actually covers.

Source: does it read your PDFs, slides, notes and photos?
Scheduling: does it space reviews automatically?
Free start: DeckOwl's free plan includes 3 generations per month and browser study.
Exports: PDF, DOCX, Anki and CSV export are on Plus, so check before you need them.

Example respiratory system flashcards

What is the main function of the alveoli?Gas exchange: oxygen passes into the blood and carbon dioxide passes out. Their thin walls and large surface area make this efficient.

Which muscle is the main driver of quiet breathing?The diaphragm, which contracts and flattens to lower pressure in the chest and pull air into the lungs.

What do the cilia lining the trachea do?They beat in coordinated waves to move mucus and trapped particles up toward the throat, clearing the airways.

How do bronchi differ from bronchioles?Bronchi are larger airways branching from the trachea and contain cartilage; bronchioles are smaller, lack cartilage, and end in alveoli.

What does the medulla oblongata do for breathing?It sets the basic rhythm of breathing by monitoring carbon dioxide and pH levels, then signaling the diaphragm and intercostal muscles.

Generate the full set

Cards from your material

Upload PDFs, DOCX, PPTX, plain text or photos of pages. Text in images is read with text recognition.

Spaced repetition

Cards come back at the intervals where recall is hardest, so you review what you are about to forget.

Quizzes and mind maps

Turn the same material into multiple choice, true/false and short answer quizzes with explanations, or into a mind map.

How it works

Upload your material

Add a PDF, DOCX, PPTX, notes or images from your course.

Review the cards

Check the generated flashcards and edit anything that is off.

Study on schedule

Spaced repetition brings each card back when you need it.

Card creation is only half the job. Reviewing on a fixed schedule works, but spacing reviews so each card returns just before you would forget it covers the same material in less time. Check whether an app schedules reviews for you and whether you can study in a browser before paying.

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Turn PDFs, slides, notes and photos into spaced repetition flashcards. Free to start.

AI Flashcard Study App

Turn your PDFs, slides and notes into flashcards with spaced repetition.

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Turn your PDFs, slides and notes into flashcards with spaced repetition. Free to start.

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Frequently asked questions

How many flashcards should I make for the respiratory system?

Aim for one card per structure and one per function, then add cards for anything you miss on review. Coverage matters more than the total count.

What should respiratory system flashcards cover first?

Start with the airway path from nose to alveoli, then gas exchange, then the muscles and nerves that control breathing. Test yourself on the order before memorizing details.

Is DeckOwl free to use?

The free plan includes 3 generations per month and studying in the browser, with no credit card needed to start. Exports to PDF, DOCX, Anki and CSV are part of Plus.

Can I use photos of my notes?

Yes, photos of pages are read with text recognition and turned into flashcards. Students get 40% off with a school email.

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.