Use iPhone's Notes app collaborative feature to send private messages that look like regular note-taking to anyone watching your screen.

Create private chat rooms using the iPhone Notes app collaboration feature with instant messaging capabilities and full control over conversation privacy.

When locked, your iPhone locks Notes like any other app, requiring whatever security check you use to unlock your device.

If you're like most people, the Apple Notes app on your iPhone is a go-to for jotting down ideas, to-do lists, and even the occasional math equation. It's quick, convenient, and always just a tap ...

The Notes app may be the iPhone's most useful and commonly used app, and the ability to use it collaboratively only enhances that usefulness.

Though you can lock and hide apps on iOS 18, which includes the Notes app, you might want to add more security to individual entries by locking notes.

This Hidden Trick Can Help Keep Your iPhone's Notes App Organized Avoid endlessly searching for that address or phone number you need with this trick.

The menu enables you to add the full text of the transcript to your note, copy the transcript to the iPhone clipboard (for pasting into another app), or search through the transcript.