KB App Development

Focused apps, thoughtfully made.

Independent software for iPhone, iPad, and Mac—built to feel clear, private, and genuinely useful.

Pure Solitaire Version 1.2 gameplay
Pure Solitaire app icon
Featured AppiPhone · iPad · Mac

Pure Solitaire

The classic card game refined: 20 card backs, Smart Tap, iPhone magnification, offline play, no ads, and no tracking.

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What We Build

Apple-platform apps

Thoughtful software designed for iPhone, iPad, and Mac.

Principles

Private by design

Focused experiences with no ads, no tracking, and no unnecessary noise.