Throne
Your foods
The buttons you see when you tap I ATE. Add what you normally eat.
Your data
Everything lives on this phone only. No account, nobody else sees it. Save a backup now and then. If you clear your browser, it's gone.
Put it on your home screen
iPhone: Share → Add to Home Screen. Android: ⋮ menu → Add to Home screen. Then it opens like an app, even with no signal.
Throne spots patterns. It isn't a doctor. Blood, black stool, or weeks of trouble means a real one.