Only what changes the maths. Every field is optional, and it all stays on this phone.
Days you can train
Equipment you have
Calorie, macro and readiness figures are estimates from public formulas (Mifflin-St Jeor). FitOpe is not a medical device.
Reminders show on Today when they're due and disappear the moment you log the thing. Nothing is pushed or emailed.
For something not in the list. Numbers are for what you ate.
Per serving:
Days