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Turn your own notes into free flashcards on iPhone or iPad

Most free iOS flashcard decks cover someone else's topics. DeckOwl builds cards from the material you already have, then schedules reviews so you see weak cards again sooner.

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 account · 3 sets a month · Creates flashcards in seconds

What to look for in free flashcards for iOS

Picking the best free flashcards for iOS comes down to whether the app can turn your own course material into cards, or only offers ready-made decks on topics you did not choose.

Generates cards from your own PDFs, slides, notes or photos
Uses spaced repetition so reviews are timed to what you forget
Free plan includes 3 generations per month and browser study
Paid plans add PDF, DOCX, Anki and CSV export for studying elsewhere

Example iOS and Swift flashcards

Which UIViewController method runs once after its view is loaded into memory?viewDidLoad. It is the usual place for one-time setup, while viewWillAppear runs each time the view is about to show.

Which property wrapper gives a SwiftUI view ownership of simple mutable state?@State. Changing the value causes the view's body to be recomputed.

How do structs and classes differ in how Swift copies them?Structs are value types and are copied on assignment. Classes are reference types, so assignments share one instance.

What does ARC stand for in Swift memory management?Automatic Reference Counting. It frees objects when their strong reference count reaches zero.

What work belongs on the main thread in an iOS app?Updating the user interface and handling touch events. Long-running work such as network or file tasks should go to background queues.

Generate the full set

Built from your files

Upload PDFs, DOCX, PPTX, plain text notes or photos of pages, and get flashcards drawn from that material.

Spaced repetition

Cards you miss come back sooner, and cards you know fade into longer intervals, so review time goes to what you forget.

Works in your browser

Study on your iPhone or iPad in Safari. The free plan includes studying in the browser with no download required.

How it works

Upload your material

Add a lecture PDF, slide deck, notes file or a photo of a textbook page.

Generate flashcards

DeckOwl creates question and answer cards from your content. The free plan includes 3 generations per month.

Review on a schedule

Study the cards in your browser and let spaced repetition decide when each one comes back.

Good cards are short and test one idea each. A card asking what viewDidLoad does is more useful than a card that asks you to define an entire chapter. Check that a tool lets you review on a schedule, since repeating cards at fixed times is what makes them stick.

If you study Swift or iOS development, paste in your class notes or documentation excerpts and generate cards from those, then review them daily for a few minutes.

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Frequently asked questions

How many flashcards should I study per session when learning iOS development?

Start with a short set of about 20 cards and add more once you can recall most of them without checking the answer. Short, frequent sessions work better than one long cram.

What makes a good flashcard for iOS or Swift topics?

Keep one concept per card, such as a UIKit lifecycle method, a SwiftUI property wrapper or a Swift keyword, and keep the answer to one or two sentences. Cards with long answers are harder to review.

Can I export my flashcards to Anki from my iPhone?

Anki export is available on the Plus plan, which costs $99.90 a year or $9.99 a month. The free plan lets you study flashcards in the browser without exporting them.

Is there a free plan, and do I need a credit card?

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

Generate free flashcards

Keep exploring the topic

Review the main ideas visually or practice recalling them.