Science-backed cycle tracking, phase-based nutrition guidance, and personalized wellness insights — all stored on your device.
Cycle literacy, nutrition guidance, and wellness insights — designed by women, backed by science.
Predict your phases with precision. Track periods, ovulation, and fertile windows with our adaptive algorithm that learns your unique cycle.
Get personalized food recommendations for each phase of your cycle. Support your body with the right nutrients at the right time.
Beautiful, intuitive charts showing estrogen, progesterone, FSH, and LH levels throughout your cycle with color-blind accessible design.
Our on-device intelligence analyzes your patterns to predict upcoming symptoms, so you can prepare and feel empowered.
Optionally share relevant cycle insights with your partner for better understanding and support — you control what they see.
WCAG AAA compliant with VoiceOver support, Dynamic Type, color-blind friendly design, and Reduce Motion preferences.
ruby is built with a privacy-first philosophy. Your cycle data is stored on your device — never sold, never shared with advertisers.
Sensitive cycle data stays on your phone, secured with encrypted storage.
Choose what to share. Delete your data anytime from Settings.
We never sell your personal or health data. Period.
We're putting the finishing touches on ruby. Be among the first to know when it launches.
Launching Soon
ruby will be available on the App Store and Google Play.