Support.
Whether you're setting up your watch, managing an order, or looking after your account — here's how to reach us and where to find the most common answers. We answer email from real people, usually within one business day.
Watch & app help
Pairing, readings, notifications, syncing, or anything that isn't behaving the way you expect.
support@leiko.appOrders & shipping
Your reservation, deposit, refund, ship window, or a package that arrived damaged.
orders@leiko.appPrivacy & legal
Data requests, account questions, or anything about how we handle your information.
law@leiko.appGet the app
Leiko is available for Android now, with iPhone on the way. Install it and find setup guides from the app page.
Your order & deposit
A refundable deposit holds your watch — fully refundable any time before it ships. To check on, change, or cancel a reservation, reply to your confirmation email or write to orders@leiko.app. Full reservation, refund, and warranty terms are in our Terms of service.
Privacy & your data
See what we collect and why in our Privacy policy. To remove your account and the data linked to it, follow the steps on the Delete your account page.
A note on medical use
Leiko helps you understand your readings — it doesn't replace your doctor, and it isn't an emergency service. If you think you're having a medical emergency, call your local emergency number right away. Always talk to a qualified clinician about diagnosis and treatment decisions.