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Notes

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Notes on focus, puzzles, and building apps.

  1. 10

    Why We Built a Sudoku App Without Numbers

    Sudoku is famous for numbers, but it's actually a game of pure logic and placement. Here's why removing numbers makes it better.
  2. 09

    Designing Color Queens: A Visual Sudoku

    Behind the scenes of designing Color Queens. How we selected color palettes, created custom haptics, and kept the interface fully minimalist.
  3. 08

    Sudoku as Mindfulness: Puzzles to Decompress

    Puzzles don't have to be stressful. Here's how color Sudoku acts as a mindful active recovery tool to reduce screen fatigue and anxiety.
  4. 07

    How Color Sudoku Trains Your Brain Differently

    Replacing numbers with colors shifts Sudoku from symbols and logic to visual pattern matching. Here is how it affects your focus and brain.
  5. 06

    Introducing Color Queens: Sudoku Through Color

    We're launching Color Queens, a minimalist Sudoku game for iPhone that replaces numbers with colors for a more visual, relaxing puzzle experience.
  6. 05

    Best Minimalist Productivity Apps for iPhone

    The best productivity app is the one that stays out of the way. Here's a minimal iPhone setup that actually works.
  7. 04

    Best Focus Apps for Students Who Get Distracted

    Student focus mostly breaks on the phone. Here are the apps that actually help, and the simple setup that works.
  8. 03

    Screen Time vs App Blockers: Which to Use on iPhone

    Screen Time and dedicated app blockers solve slightly different problems. Here's how to decide which one you actually need.
  9. 02

    How to Stop Procrastinating on Your iPhone

    The problem is not willpower. Here are practical changes that reduce phone procrastination without building a complex system.
  10. 01

    Best App Blocker for iPhone: How to Choose One

    Most app blockers fail because they're too easy to bypass. Here's what makes a good iPhone app blocker and when you need one.