Whether you primarily use Siri or Google Assistant (assuming you use a digital assistant) likely comes down to which platform you’re invested in—Android or iOS. It doesn’t have to be one or the other, though. Google recently updated its Assistant app for iOS to support Siri Shorcuts, which allows users to call up Google’s virtual assistant

Source: Hot Hardware – Google Assistant Leverages Siri Shortcuts App To Link With ‘Hey Siri’ On iOS