The fastest way to reach us is inside the app: open Settings > Support and use Send feedback or Report a bug. Messages arrive directly in our support inbox, and adding your email there lets us reply to you.
A bug report can include the app's diagnostic log to help us find the cause; you can preview exactly what it contains, or turn it off, before sending. See the privacy policy for how reports are handled.
If the app won't launch or install, reach us here instead: