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.
Great post, nice research!
Can you elaborate a bit on how you arrived to the numbers in the Sep 30, 2018 estimate? Maybe I just missed that part, but would be nice if you can shed some light on it.