Once in the morning (10am UTC+8) and right now (9pm UTC+8).
It might be more, but these were the times I checked today.
It might be good to have a dedicated up/down page or something. As I just shared my app with a friend who could potentially have extended the app’s reach. And the only thing he said is… link broken?
I have 4 Training Programme apps (this is one of them - https://phase2ac.glideapp.io/) for our training facility members, and of course are all down at the moment