

With the iPhone X update for Hangouts, all of Google's major iOS apps now offer support for Apple's new flagship device. Google previously introduced iPhone X updates for Docs, Sheets, Slides, Gmail, and Google Maps.
According to Google's release notes for today's Hangouts update, the only new feature is iPhone X optimization.
Google Hangouts can be downloaded from the App Store for free. [Direct Link]
Article Link: Google Hangouts for iOS Gains Support for iPhone X