Questions, problems, suggestions — write to sportdeephouse@gmail.com. Vladimir Zagadov, the author of the app, reads every message; we usually reply within 1–2 days.
Inside the app: Workouts → Community → Write to the developer — the email opens with your account number already filled in, so we can find your data faster.
How do I open my data on a tablet or second phone? Sign in there the same way (Apple or Google), or in the app go to Profile → Open on another device and enter the key on the start screen.
How do I delete my account? Profile → Danger zone → Delete account. More: account deletion.
Is this medical advice? No. BIOMETRIC is a training and nutrition diary. It does not diagnose or prescribe; for health questions, see a doctor.