Most Helpful Guy
You have to talk to him about it. He's literally the only one who can answer your questions to your satisfaction. The rest of us can only speculate.
That said, it appears he is open to meeting other people even if he's in an exclusive relationship. If that's a problem for you, now is the time to have the deal breakers and boundaries talk. You can even bring it up without mentioning that you snooped, though I strongly recommend you admit that up front. Relationships are built on trust, with open and honest communication. Any relationship is doomed without those things. Don't get too bent out of shape until you talk with him, and listen. Too many people forget that second part of communication... LISTEN.
Most Helpful Girl
This is somewhat what me and ny current boyfriend did.
We used Tinder and when we started dating we just didn't go in the app anymore then after maybe 2 weeks or so we screenshot that we both deleted our profiles to prove that we want something between us both.
Currently i am happy and so is he.
If you have said that you are both together and in a relationship maybe kindly ask for him to at least delete the app. But if you aren't a "thing" yet then you have no say over what apps he has on his phone.
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