Your iPhone's Notes app has a bunch of hidden features you might not have discovered yet. Here's my favorite thirteen.

Easily protect your Apple Notes with a passcode or Face ID; locked notes show a padlock, so your private info stays hidden ...

This latest and wearable Plaude NotePin S has a sleek design and provides a more refined experience with more intuition, better wearability and improved performance.

I said back in December that I wanted Apple to copy WhatsApp's Face ID security for iMessage. That's just one of the default iPhone apps that require extra protection to improve the user's privacy.