You can add contacts to your iPhone in three different ways to store phone numbers, email addresses, mailing addresses, birthdays, and more.

You can use WhatsApp on an iPhone to send messages, share photos or videos, make calls, and more. Here's what you need to ...

The Messages app on iPhone has a lot of fun and cool features, like the invisible ink effect that will hide your messages.

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 ...