Twenty Razors
Education
$1.99
Philosophy for busy people. Twenty mental tools from history's sharpest minds—from Socrates to Sowell.
Twenty Razors is a philosophy education app featuring profiles of 20 influential thinkers.
Each thinker profile includes:
- Biography and historical context
- Core ideas and key concepts
- Known blindspots and criticisms
- A practical "razor" test to apply their thinking
Thinkers include: Socrates, Machiavelli, Kant, Adam Smith, Marx, Hayek, Keynes, Friedman, Sowell, Popper, Arendt, Foucault, Girard, Kahneman, Taleb, Haidt, Henrich, Caplan, and Henderson.
Features:
- Concept Cards explaining key philosophical ideas
- Quizzes to test your understanding
- Works offline
- No ads or tracking
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Lukas Lundberg, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Lukas Lundberg
- Size
- 56.8 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 lmlsoft
