Apps
Every app here works without an account, shows no adverts and does not track you. Each one has a support page and a privacy policy that says exactly what it stores.
For IB Diploma students
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Diploma GDC
A graphing calculator and formula reference for IB Diploma Maths that works offline and collects nothing.
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StudyDP
A free iPhone app for IB Diploma students, with a grade calculator, exam countdown, deadlines and Economics notes.
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IB Econ
A study app for IB Diploma Economics with notes, games, stories, flashcards and exam practice for SL and HL.
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Learn Biz
A study app for IB Diploma Business Management with notes, games, flashcards and exam practice for SL and HL.
For everyone
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Mind Gym
Short memory games, a daily puzzle and flashcards that train how much you can hold in mind.
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The Futuristic Economy
A history of the world economy that you play, from clay tablets to 2060, in 31 short episodes.
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Halfsure
A daily game that trains you to know how sure you really are.