Google Assistant will be available as a standalone app and will feature the same functionality Google Home and Android users are used to. If you want to turn your lights on, you can just ask Google Assistant on your iPhone. The same goes for any questions you may have.

iPhone users can also have contextual conversations with the Google Assistant. Once you ask the first question, you don't have to bring up the subject again—Google Assistant will just continue elaborating on the subject. If you don't want to talk to Google Assistant, users will be able to interact with Google Assistant through typing. That's similar to what can be one on Allo.

Google Assistant will have a widget on the side panel to access it quickly.

You can download Google Assistant for iOS right here.