Step 1 : Open this Application Link in Google Chrome
Step 2 : Click Install on the prompt to install the application. If you miss it, re-visit the link and you will be prompted to install the application.
Step 1 : Open this Application Link in Safari web browser on iPhone
Step 2 : Press the "Share" button and select "Add to Home Screen" from the popup.
Step 3 : Lastly, tap "Add" in the top right corner to finish installing the PWA. It will now be on your home screen.
Step 1
Step 2
Step 3