I’m wondering if it could be one of:
a) You’ve loaded the app into the wrong ST “shard” using the IDE interface. In searching around to see what the issue could be, I found that in the past some other users had a similar problem that was related to that. For instance, this thread (start here and read down the thread):
b) I’m not an iOS user, but related to the above issue is that there is (apparently) two places that you could potentially load up an app from in the iOS mobile app. One is Automation → SmartApps and the other is located in Marketplace → SmartApps → My Apps. From what i read in a couple of places, it would seem that the recommendation is to use Automation → SmartApps but I’m not sure what the difference is.
@Shinedown78 and @David_Van: would either or both of you be able to try the above suggestions and let us know if you find anything?
Otherwise, we can ask SmartThings Support to chime in as I am also at a loss. I use the classic ST app and have honestly never seen this at all.