Problems with ios devices

Hi there, i have some problems with the app and my apple device. The app runs slow, freezes in flight projects and when checking the camera, control and flight plan.
I have an Iphone 7 and Iphone X device. When the app is running, my devices get very hot.
I have the latest version of my ios and the dronedeploy app.

Hi taBo, I also have since some weeks a lot of problems with dron deploy. May be due to my I phone. I use an old Iphone 6. Flightplans load very slow or they don´t load. During the flight disconnecting is continuos. It´s very unconfortable.