Iphone notification stopped working

Notifications on my phone stopped working. They worked for a couple of weeks and then stopped abruptly. I have tried all the suggestions on the forum to install/reinstall the app. I also tried the app on my wife’s phone and it is the same. I contacted the online support but I got the same suggestion as online.

It is quite annoying that the notifications are not working. I have to manually check if the watering is done or risk that the plants and lawn may suffer due to lack of water. When I had the traditional controller at least I knew for sure when the lawn was watered.

It is beating the purpose of buying a ‘smart’ controller which was to have better control of watering the lawn and plants and maybe save some money. Any help to resolve this would be appreciated.