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Turn your notes into a free mind map on iPhone or iPad

Upload a PDF, DOCX, slide deck, or photo of your notes. DeckOwl builds an editable mind map you can click through, and it works in Safari on your iPhone or iPad.

Create mind maps 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 mind maps in seconds

Why a mind map works for iOS study

Students on an iPhone often have a mix of lecture slides, screenshots of documentation, and handwritten notes from a class on Swift or app design. A free mind map app for iOS can pull those scattered sources into one diagram, so the relationships between topics are visible at a glance.

Works in Safari on iPhone and iPad
Starts from PDFs, slides, notes, or photos of pages
Fully editable branches and sub-points
Free plan includes 3 generations per month

Example iOS development mind map branches

SwiftUI core viewsText · Image · Button · Stack views (VStack, HStack)

App lifecycle statesActive · Inactive · Background · Suspended

Swift optionalsnil · if let · guard let · force unwrap (!)

Core Data stackManaged object model · Persistent store coordinator · Managed object context

App Store submissionArchive in Xcode · Upload through Organizer · App Store Connect metadata · TestFlight testing

Generate the full set

Built from your own material

Upload PDFs, Word files, PowerPoint decks, plain notes, or photos of pages. Text recognition reads the photos.

Editable and explorable

Rename branches, add sub-points, and expand or collapse sections so the map stays readable on a small screen.

Study from the same map

Turn the same material into flashcards with spaced repetition or into quizzes with explanations.

How it works

Add your notes

Upload a file or take a photo of a page. No credit card is needed to start.

Generate the mind map

DeckOwl pulls out the main ideas and arranges them into branches and sub-points.

Edit and explore

Adjust the branches, then click through the map to review each topic.

A mind map is most useful when the branches match how the material is organized. For iOS topics, that usually means one branch for language basics, one for UI frameworks, one for app lifecycle, and one for data storage. Editing the generated map lets you correct the structure before you study from it.

The free plan includes 3 generations a month and studying in the browser. Exports to PDF, DOCX, Anki, or CSV are part of the paid Plus plan.

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Free mind map app for notes and PDFs

Turn PDFs and notes into an editable mind map. Start free, 3 generations a month.

Free mind mapping app for students

Turn lecture notes and PDFs into an editable mind map, free to start, with no credit card needed.

Best Mind Map App for Apple Users

Turn your PDFs and notes into an editable, explorable mind map with AI.

Best Mind Map App for Apple Pencil

Build an editable mind map from your PDFs and notes to review on iPad.

Mind Map App for Students

Turn lecture notes and PDFs into an editable, explorable mind map for class.

Frequently asked questions

What are the main iOS app lifecycle states I should memorize?

The core states are Active, Inactive, Background, and Suspended, plus Not Running before launch. Learn what triggers each transition, since that is what exam questions usually test.

How many branches should an iOS study mind map have?

Aim for 4 to 6 main branches with 2 to 4 sub-points each. That range keeps the map readable on a phone screen and gives you enough detail to study from.

Does DeckOwl have a native iOS app?

DeckOwl runs in the browser, so you can open it in Safari on an iPhone or iPad. The free plan lets you study in the browser, while exports are part of the paid Plus plan.

What does the free plan include?

The free plan includes 3 generations per month and studying in the browser, but no exports. Plus, at $39 per year or $7.99 per month, adds unlimited generations and PDF, DOCX, Anki, and CSV export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.