Tools built with intention.
Every app we ship follows the same rules. Simple. Useful. No ads. Honest about what it costs.
Flagship
Quillen
A distraction-free novel-writing app for fiction authors. Manuscript editor, outlining, characters, world-building, and one-click export. $39 once, no subscription.
See Quillen →
Live now
Kaiyo Notes
A note-taking app that does one thing well. No account, no cloud, biometric lock, dark mode.
See Kaiyo Notes →
Waitlist open
Kaiyo Goals
A goal and habit tracker built on published behavioural science, not streak-shaming.
See Kaiyo Goals →
Live now
Kaiyo Management
A free, local-first desktop app for running the marketing and business side of one or more companies, plus full accounting.
See Management →