No, totally different apps/products, though with some crossover, and some similar features. Google Hangouts also includes ‘video’, while Google Chat does not. Google Chat is only fully accessible if you are using a gsuite (Google for work) account, though can be accessed to a limited degree by ‘free’ (consumer) accounts.How to setup Google Hangouts account?
How to set up and use Google Hangouts on a computer. 1. Log into your Google account, then type: "hangouts.google.com" into the browser bar at the top of the screen.2. Click through the intro ...