HRT Patch Tracker helps you stay on top of your HRT patch change schedule with a clear countdown, progress ring, and patch history log. • See exactly how long until your next patch change • Log changes instantly or backdate if you forgot • Record your patch type and dose with each entry • Edit or delete past log entries • Configurable change interval (½ day to 13½ days) • Apple Watch companion — check your countdown and log from your wrist • Reminders 2 hours before and at the time your patch is due • Supports light and dark mode • UK date and time formatting