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.
Also available in TeslaFi if you have that (if not, and if you want to try it, an introduction will get you a 1 month trial instead of normal 2 weeks. Send me a private message if you would like my code)