1. On your IPhone , open the safari browser and type in the url:
2. Tap the + icon on the browser, then tap on the “Add to Home Screen” button.
3. At this screen you can name the app, then click Add. You should see that the icon is now on your home screen.
Now you can use this app irrespective of whether you have data/internet connectivity or not. The app updates itself automagically, so you always have the latest app 🙂