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Turn your notes into flashcards you can export to Anki

DeckOwl reads your PDFs, slides, notes and photos of pages, writes flashcards with spaced repetition built in, and lets Plus users export decks to Anki. Start free with no credit card.

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

What to look for in an Anki flashcard app for iOS

Most students who search for an Anki flashcard app for iOS want two things: cards built from their own lecture material, and a review schedule that spaces out the hard ones. DeckOwl covers the first by reading PDFs, DOCX and PPTX files, plain notes, and photos of pages, then writing flashcards for you to check.

Flashcards generated from PDFs, slides, notes and page photos
Spaced repetition scheduling in the study mode
Export to Anki, CSV, PDF and DOCX on the Plus plan
Students get 40 percent off with a school email

Example iOS and SwiftUI flashcards

What does the @State property wrapper do in SwiftUI?It stores mutable state owned by a view and redraws the view when that value changes.

What is Automatic Reference Counting (ARC) in Swift?ARC frees class instances automatically once no strong references to them remain.

How do structs and classes differ when copied in Swift?Structs are value types that copy on assignment, while classes are reference types that share one instance through references.

What does an Optional value represent in Swift?It holds either a wrapped value or nil, so you must unwrap it safely before using the value.

Why should slow work run off the main thread in an iOS app?The main thread handles UI updates and touch events, so long tasks should move to background queues to keep the interface responsive.

Generate the full set

Cards from your own material

Upload a PDF, DOCX, PPTX, plain notes, or a photo of a page. The text is read and turned into flashcards from what you actually need to learn.

Spaced repetition built in

Cards you miss come back sooner and cards you know well wait longer, so review time goes to the material that needs it.

Export to Anki on Plus

Plus exports decks to Anki, CSV, PDF and DOCX. The free plan studies in the browser without exports.

How it works

Upload your material

Add a PDF, slide deck, document, text file, or image of your notes.

Review the generated cards

Check the flashcards DeckOwl writes, edit anything that is off, and keep the ones you want.

Study or export

Study with spaced repetition in the browser, or on Plus export the deck to Anki and keep reviewing there.

Spaced repetition is built into the study mode, so the cards you struggle with come back more often. If you already use Anki, Plus lets you export decks to Anki, so the cards you generate here can sit alongside the rest of your review routine.

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Frequently asked questions

How many flashcards should I make for an iOS or SwiftUI unit?

Aim for one card per term, rule, or concept you would need to explain on a quiz, which often means 20 to 60 cards per chapter. Upload the chapter and remove any cards that test trivia you will not need.

What makes a good flashcard for learning iOS development?

Write the front as a specific question, such as what a property wrapper does, and keep the back to one or two sentences you could say out loud. Cards that ask you to explain why a design choice matters tend to stick better than ones that only ask for a definition.

Can I export my flashcards to Anki for free?

No. Exporting to Anki is part of the Plus plan, which costs $39 per year or $7.99 per month. The free plan gives you 3 generations per month and study in the browser.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan without a credit card, and students with a school email get 40 percent off Plus.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.