The Google Assistant app on iOS has been updated to allow you to launch it on your iPhone by saying "Hey Siri, OK Google." As TechCrunch notes, you will need to open the app to set up a new Siri Shortcut for the Google Assistant in order for this to work. From the report: As the name suggests, Siri Shortcuts lets you record custom phrases to launch specific apps or features. By default, Google suggests the phrase "OK Google." You can choose something shorter, or "Hey Google," for instance. After setting that up, you can summon Siri and use this custom phrase to launch Google's app. You may need to unlock your iPhone or iPad to let iOS open the app. The Google Assistant app then automatically listens to your query. Again, you need to pause and wait for the app to appear before saying your query.

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