I would use Valbazen, or possibly Safeguard, nothing else, myself. Read here:
https://www.backyardchickens.com/forum/viewtopic.php?id=576036&p=1
https://www.backyardchickens.com/forum/viewtopic.php?id=576036&p=1
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.