Explore the on-device engines that power your privacy.
ULA goes beyond simple date tracking. Record how you feel throughout your cycle with clarity and precision.
ULA calculates your predictions directly on your device, keeping your cycle data private and in your control.
ULA v1beta Build 24 expands the app into a fuller offline cycle-tracking experience, with guided onboarding, deeper logging, clearer cycle-state visibility, and stronger prediction support across the app.
Join our beta and help shape the future of private health tracking.
Try now on TestFlight!