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The best flashcard apps start with your own notes

DeckOwl turns PDFs, slides, notes and photos of pages into flashcards with spaced repetition. Start free, no credit card needed.

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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 that fits your course

Choosing among the best flashcard apps usually comes down to where your material already lives. If your lectures are in slides and your reading is in PDFs, the right tool is one that builds cards directly from those files instead of making you retype them.

Check whether it accepts your file types, including slides and photos of handouts.
Confirm that spaced repetition is included, not just a shuffle button.
Look at export options if you plan to move decks into Anki or another tool.
Start with one chapter to test card quality before building a full deck.

Example electric circuits flashcards for a physics course

What is Ohm's law?V = I × R: voltage equals current times resistance.

How do current and voltage behave in series versus parallel circuits?In series, current is the same through every component; in parallel, voltage is the same across each branch.

What is the SI unit of electrical resistance?The ohm (Ω), equal to one volt per ampere.

What does a capacitor store?Electric charge, held in an electric field between two conductive plates separated by an insulator.

What is Kirchhoff's current law?The sum of currents entering a junction equals the sum leaving it, reflecting conservation of charge.

Generate the full set

Starts from your material

Upload a PDF, DOCX, PPTX, text file or photo of a page, and get flashcards written from your own course content.

Spaced repetition built in

Cards resurface at growing intervals so you review what you are about to forget, not what you already know.

Export when you need it

Plus users can export to Anki, CSV, PDF or DOCX, so your cards can move to whichever app you prefer.

How it works

Upload your material

Add lecture slides, notes, a textbook chapter PDF or a photo of a handout.

Generate flashcards

DeckOwl reads the text and writes question and answer cards for the key ideas.

Study on a schedule

Review in the browser with spaced repetition, and edit any card that does not match your course.

Look for three things: spaced repetition so reviews are scheduled for you, a way to edit cards before studying, and export options if you want to keep your deck outside the app. Try a free plan with a real chapter before you commit to a paid one.

Whatever app you pick, short daily sessions of 15 to 20 minutes tend to beat occasional long sessions, because spaced review works best when you return to the same cards over several days.

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Frequently asked questions

How many flashcards should I make for electric circuits?

Aim for one card per definition, law or formula, which often means 30 to 60 cards for a single unit. Smaller, focused decks are easier to review daily than one large deck.

How do I study flashcards so they stick?

Review a little every day rather than cramming, and rate each card honestly so the schedule adjusts. Say the answer out loud before you flip the card to check your recall.

Can I export my flashcards to Anki?

Yes, export to Anki is available on the Plus plan, which costs $39/year or $7.99/month. The Free plan lets you study in the browser but does not include exports.

Is there a free plan?

Yes, the Free plan includes 3 generations per month and browser study. No credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.