Amazon's AI-powered Alexa offers new and improved features for just about every user. Here's how to get started and whether you should buy a new Echo device to try it out.

The Alexa app can be downloaded on your iPhone and used with or without an Amazon smart speaker.

You can set up Alexa on your Amazon Echo or Echo Dot device using the Alexa mobile app, or on Echo Show using the built-in screen.

The Echo Dot Max is a $100 smart speaker designed to occupy every room in your home, complete with the usual smart home ...