The LMR App is now available here:
Currently only the Andriod App is available as a full install from the App Store. The Apple version is a progressive web app that can be saved to your device by following the prompts in the link. The LMR App will be available in the Apple Store in the early part of 2018.
Both versions have the same functionality. You can listen to the live stream, message the studio and check out the social media feeds.