The insights app is now also a progressive web app. This means that it can be installed on your home screen and will load instantly regardless of whether you are connected to the internet or not. This is part of an engineering effort to make the app accessible everywhere.
Installing from IOS Safari
While visiting https://app.insights.live in Safari, press share, then "Add to Home Screen" as shown below.
Installing in Android
While visiting https://app.insights.live in Google Chrome you may be prompted to add Insights to the home screen (when this happens is up to the browser).