01 / The Catalog

Our Apps

Native, fast, and built to last. No tracking, no bloat — just the iOS and web software two people have shipped and used since 2008.

10 APPS

Podcasts, perfected.

The fun way to memorize Pi.

Think Sudoku, but with arithmetic and a whole lot of disco.

Fast, fair, satisfying sudoku.

Watch simple rules create extraordinary complexity.

See the time without being dominated by it.

One button. All the light you need.

A daily word puzzle of clever collisions

Sudoku is your weapon.

Make words, claim turf.