Sovereign Mind: Cognitive Bias
Daily fallacy & paradox quiz
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
31 cues, from Monty Hall to survivorship bias. Miss one and it comes back days later until it sticks. Five minutes a day. No account, nothing leaves your phone.
Sovereign Mind is a short daily thinking practice.
Each morning: one idea. A famous misconception, a mental model, or a quiet way the mind fools itself. You reveal the turn, you work it, and you keep one sentence. What you miss comes back later — by name — until it stays.
Today
A single cue, the same one for everyone. Reveal it. Practice it. Keep a sentence.
Comebacks
The app remembers the ideas you missed and returns them at the right moment. That return is the product.
Proof
Not points and not a streak. A count of ideas you missed and then actually won back.
Library
Optional paths through judgment, fallacies, and statistical thinking when you want more than five minutes.
No account. No tracking. Your practice stays on this device.
Privacy Policy: https://sovereign-mind-legal.willalston.workers.dev/privacy
Support: https://sovereign-mind-legal.willalston.workers.dev/support
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The developer, William Alston, 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
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Information
- Seller
- William Alston
- Size
- 38.3 MB
- Category
- Education
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 William Alston