Simple by design
Capture the details you want to remember without turning your day into a data-entry exercise.
A calmer way to understand your cycle
Your health journey,
charted your way.
Estronaut is a period and cycle tracking app in development—designed to help you record, notice, and understand the patterns that matter to you.
Coming soon for Android
Read our privacy policy
✦
TRACK
NOTICE
UNDERSTAND
Built with intention
Personal health tracking should feel personal.
Private at its core
Estronaut is being designed with a local-first approach for sensitive personal health information.
Clarity over noise
Useful patterns and thoughtful context, without pretending an app can replace medical advice.
Early flight
Estronaut is still being prepared for launch.
We are refining the app now. This website will grow as the experience becomes ready to share.