Relentless ambition

Calm, capable software, crafted to last.

CosmoCrew builds apps that do one thing exceptionally well and respect your attention — each one built to earn a permanent place on your home screen, and to stay there.

Explore products View on GitHub

In orbit now

Made with care

SliceFocus

Live

Plan your day on a clock. It runs itself.

Productivity · macOS, iOS and iPadOS

App Store Docs

LexiPower

Live

Vocabulary practice through quizzes, spelling, and review sessions.

Education · iOS

App Store Support

With Handlebars

Live

Master scales and chords on the guitar — every tone, the whole neck, any tuning.

Music · Web, iOS and iPadOS

App Store GitHub