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.
Select the Tesla symbol on the top of the main screen and an image of your car will pop up. Underneath is a field that says "name your car". Click that and you can enter a name, mine is NCC-1701-D.