How do I keep my Notes private?
In the Notes app , you can lock notes with a password to protect your sensitive information. Notes uses a single password for all your locked notes in an account (for example, your iCloud account), on all your devices.
How do you hide Notes?
Secret Notes is the best application for storing personal notes, passwords, contacts and any other important information. In this app you can save your contacts, personal notes or some secrets. It's will be hidden from everyone.