“Hey Siri. OK Google.” No, really. With Siri Shortcuts support in Google’s AI helper, you can now assign a custom phrase such as “OK Google” or “Hey Google” to open the Assistant app just by asking Siri.
Microsoft today released Cortana 3.0 for iOS with an update to the user interface enabling conversational experiences like with Google Assistant. It also brought other enhancements, including voice support for reminders, calendars and timers.