Private
Health data stays on your phone
Apple Health sync is optional and off until you turn it on.
Silk Health
Protection, STI tests and medications sit next to your moments, so the picture is whole.
When did I last get tested? Was that before or after? Questions like these are hard to answer from memory and easy to answer from a log.
Private
Apple Health sync is optional and off until you turn it on.
Yes, if you turn it on. Sync with Apple Health is optional.
No. Silk is a private log. For health questions, talk to a doctor or a sexual health clinic.