Cortana is described as 'Fast, easy and fun to stay on top of work & life with your personal assistant Cortana! Bring your smart digital assistant to your phone to help keep track of the important stuff wherever you are, across your devices' and is an app in the File Management category. There are more than 25 alternatives to Cortana for a variety of platforms, including Android, Linux, Windows, iPhone and Mac. The best alternative is Mycroft, which is both free and Open Source. Other great apps like Cortana are Google Assistant (Free), Siri (Free), Braina (Free Personal) and Siri Shortcuts (Free).
Siri Shortcuts deliver a quick way to get things done with your apps with just a tap or by asking Siri. The Shortcuts app enables you to create personal shortcuts with multiple steps from your favorite apps.
Almond translates your commands into a personalized program. Programmable Notifications Notifications are hard! Every website, every social network, every app is continuously competing for our attention. But that's no more: with Almond, you decide what you care about.