Apply for access.
Reserve a callsign, attach your machine, and enter the review queue for a hand-prepared Sentinel build.
OPEN APPLICATIONIt is not a fitness tracker. It is not a navigation app. It is the digital twin of your machine — recording vitals, tracking rides, watching over what you love.
Every build is personal. Your interface is configured for your machine, your riding style, your preferences. No two builds are identical.
Sentinel is invite-only, intentionally small, and delivered by hand. It will never be on the App Store.
Five systems. Running on your phone. Working while you ride.
Wave 1 applications now live on their own page. No real names, no generic signup funnel: callsign first, machine details second, backend-reviewed by CHIEF.
Reserve a callsign, attach your machine, and enter the review queue for a hand-prepared Sentinel build.
OPEN APPLICATIONPermanent public feedback for riding habits, pain points, voice/interface hypotheses, and callsign ideas.
OPEN SURVEY