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Apps and tools I build

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Timezoner app icon

Timezoner

Instant timezone conversion in iMessage. No app switching.

Built for quick coordination when the conversation is already moving.

  • Right in the conversation
  • Private by default
  • Built for speed
View in App Store Learn more
Timezoner shown inside an iMessage conversation

Live now

Doomsday Practice app icon

Doomsday Practice

Train your brain to calculate any date's weekday in seconds.

A focused practice loop for building real recall under time pressure.

  • Instant feedback
  • Track streaks + accuracy
View in App Store Learn more