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On first launch, or later from Settings, pick your six subjects and set HL or SL for each. Inside a subject, Create Unit lets you group syllabus points the way your school teaches them, and Exam countdown records upcoming tests with the topics they cover.

Learn › open the subject › type in the search field at the top. Each result offers Lesson, Questions, MCQ and Cards for that exact syllabus point.

Tap the bookmark on any question card while practising or in the past-paper view. Choose Unsorted or a folder, or create one on the spot. Your library is under Learn › subject › Saved questions, where you can sort by marks, type or topic and practise a whole folder.

Add a Claude or Gemini API key in Settings › AI tutor. Without one the tutor still explains, quizzes and sets questions from the built-in curriculum, and written answers are marked offline against the mark scheme.

The app ships original IB-format questions. Real papers are IBO copyright and are not bundled. If your school gives you access, the import tool in the project (Tools/import_pastpapers.py) converts a paper plus mark scheme into the app; you can also paste questions in under Learn › subject › Saved questions › Import.

On the sign-in screen tap Forgot your password? Online accounts get a 6-digit code by email; enter it with your new password. Accounts kept only on this phone are reset with Face ID, Touch ID or your passcode.

Check Friends › Discoverable by username is on, and share your exact @username. With online accounts, friends can be on any phone; both of you need an online account.

Account › Delete account. This removes the account and all of its study data from the device immediately and cannot be undone.

Yes, as a Mac app. Everything, including the essay workshop, is available on Mac.