If you install an app from outside the App-Store, the app needs additional approval due to security reasons. Otherwise, the app can not be started and instead a pop-up appears which shows: “Untrusted Enterprise Developer”
To approve the app, please open the settings on your device and open “General” -> “Profiles”.
In the sub-menu “Enterprise App” the profile “Mujinzo Labs GmbH Ent.” shows up. Please tap on it.
In the following window please tap on “Trust Mujinzo Labs GmbH Ent” to enable the GASTROFIX-APP.
On the following pop-up please select “Trust”.
Now you can exit the settings and start the GASTROFIX-App.