Talk to Siri as you would to a friend and it can help you get things done — like sending messages, placing calls, and making dinner reservations. You can ask Siri to show you the Orion constellation or to flip a coin. Siri works hands-free, so you can ask it to show you the best route home and what your ETA is while driving. It works with HomeKit to let your voice be the remote control for connected products in your home. And it’s tuned in to the world, working with Wikipedia, Yelp, Rotten Tomatoes, Shazam, and other online services to get you even more answers. The more you use Siri, the more you’ll realize how great it is. And just how much it can do for you.
Alexa, the voice service that powers Echo, provides capabilities, or skills, that enable customers to interact with devices in a more intuitive way using voice. Examples of these skills include the ability to play music, answer general questions, set an alarm or timer and more. Alexa is built in the cloud, so it is always getting smarter. The more customers use Alexa, the more she adapts to speech patterns, vocabulary, and personal preferences. With Alexa, developers can build new voice experiences and take advantage of the following benefits
Google Home is a voice-activated speaker powered by the Google Assistant. Ask it questions. Tell it to do things. It’s your own Google, always ready to help. Just start with, “Ok Google”.