You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
I couldn't get mine to work on my galaxy s8 either, assumed the bump out for the connector was to big. But I really only use the quad lock case when I'm running or on my bike so it wasn't that big of a deal for me.