My app is no longer accessible from mobile

My app’s URL: https://hqbpcases.glideapp.io/

While I am able to access and browse app from the browser, I am recently getting blank white screen when attempting to access app from mobile!!

Regards, Adel

https://community.glideapps.com/t/is-anyone-unable-to-use-the-service-http-503-error/6989