Changing your password signs you out everywhere else.
✓ You're using the installed app.
iPhone / iPad (Safari): tap the Share button, then Add to Home Screen, then Add.
Android (Chrome): tap the ⋮ menu, then Install app (or Add to Home screen), then Install.
Open the app from its Home Screen icon for full screen. The weather app at / installs separately the same way.
Viewers can see all station data, records and charts, and change their own password. Admins can also change station settings, import data, and manage users. The last active admin can't be removed, demoted or disabled.