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

Amazon's new Alexa ap feature uses an iPhone to map out a room and assign devices. Phil Nickinson / Digital Trends The good news is that you don’t need a physical Alexa device to use Alexa as a voice ...

Amazon Alexa is already a solid smart assistant, but a few clever tweaks and lesser-known features can take your experience to the next level. Here's how to make the most of it.