Can I track symptoms?
Yes: what it was, how bad, how long, and when, all from an ordinary sentence.
Can it keep readings like blood pressure?
Yes. Blood pressure, blood sugar, resting heart rate, weight, sleep, steps and more, in whatever units you said.
Does it tell me what my symptoms mean?
No, and it is not trying to. It keeps a faithful record of what you reported so that you can bring it to someone who can.
Is my health record private?
It is locked on your device with a key we never receive. We cannot read it.