If you can't share or collaborate in the Notes app on your iPhone or iPad - Apple Support

To share or collaborate in the Notes app, everyone needs an Apple device with the latest operating system and enough storage. You can also use iCloud.com.

The Ultimate Guide to Apple Notes – The Sweet Setup

Find your apps in App Library on iPhone - Apple Support

Why You Should Enable Apple's New iOS 16.2 Security Feature

How to share notes using iPhone's Notes app (and why you should)

iOS 16: Everything New With Notes and Reminders - MacRumors

Use Notes on your iPhone, iPad, and iPod touch - Apple Support (CA)

Apple Notes' Biggest Feature in Years Lets You Finally Link Your Notes Together « Apple :: Gadget Hacks

Create to-do lists - Apple Support

How to fix Notes app crashing or not working on iPhone, iPad, Mac