So it was an issue with the app after all:-). If that entirely solved your issue, then great. It sounds like it did!:-)
Just in case if not though, you can check out your profile from a browser by visiting https://sh.itjust.works/u/Peppycito - I see 4 posts there, 2 to this magazine, so if there were supposed to be more, it would have to be a moderation issue.