It's possible to share notes on your iPhone with iCloud and collaborate with others in the Notes app. Here's how to do it.

You can send secret messages on your iPhone using the Apple Notes app! Just create a note, tap Share > Collaborate, give edit access to a friend, and start chatting in real-time—no third-party app ...

To lock notes on your iPhone, you'll need to set up a master password, or allow your phone to use your Touch or Face ID to lock and hide notes.

Using the Notes app on your iPhone as a messaging app is a surprisingly clever way to have a discreet conversation. You can use it to plan a surprise party for a loved one or disguise sensitive ...