Email support@lunafit.app — we typically respond within 1–2 business days.
Open ConstanFit → Profile → Feedback to send a message. Include your account email if you signed up with email.
Manage or cancel ConstanFit Basic / Plus / Pro AI in iOS Settings → Apple ID → Subscriptions. Restore purchases from Profile → Plans in the app.
See our Privacy Policy. In the app, use Profile to export or delete your account, or to clear login-account labels stored on this device. You can also email support@lunafit.app from the address linked to your account.
Apple Health permissions are controlled in iOS Settings → Health → Data Access & Devices → ConstanFit. Cycle and energy reads are optional. Calendar booking permission is controlled separately in iOS Settings when you choose to add workouts to Calendar. ConstanFit is for wellness and fitness tracking only — not a medical device.