Is it my anxiety and being pregnant?

I know I’m going to probably hear things I don’t want to hear but I started getting concerned because my husband would grab his phone from me if I would pick it up every once in awhile. I never thought anything of it. Recently, this past month I picked it up to look at the calendar or something and he grabbed it from me. He said he ordered Christmas gifts and doesn’t want me finding what he ordered. I told him I wasn’t even thinking about that. (Christmas went by and I knew about everything he got me and he told me awhile back he got me something and I dong see it. No signs, I feel like he’s lying)

Well i really started thinking so when he fell asleep I grabbed his phone and checked it. Found this app called meet me on his phone and I guess it to meet “friends” but he had all women and a bunch of different women on there that he messaged or they messaged him. Some he said thanks for the add doll but others he said hey beautiful. One asked him what’s his intentions on here and he says, “friends, maybe more” that had me tearing up. He is my husband and suppose to be able to talk about anything and I never in a lifetime expected this from him. I put his phone back and woke him up, it was like 2 in the morning. I didn’t care, I am hurt. He told me he’s tired of not having a social life and he wants friends. Well he plays online on the computer all the time and talks to guys on there and one of those guys is his cousin. Well I said, why all women then? You could find guys to talk to and he said it just turned out that way. He said two guys messaged him but they asked for a blow job or to give him one and he said he deleted them. I said something about him saying maybe more and he said it was a mistake. He shouldn’t of said that. I really dk what to do. I am lost. I’m having a hard time trusting and I’m so scared he did something even though he said he hasn’t cheated(which I said to him, this is pretty much cheating) I believe that he hasn’t gone out and met up with someone but I’m still beyond scared. Things have been rough for us. Living with his mom and struggling getting by and now we have a son coming in 7 weeks, we also have a 7 year old and a 4 year old. I have bad anxiety and it’s worse being pregnant. I can’t stop thinking about it and I did say something to him again and he kept saying I’m sorry and hugging me. He did delete the app and that’s all I found, that I know of. I feel like something is wrong between us but I don’t know if that’s because of how I’m feeling or not. He’s not distant, he still hugs and kisses me, talks to me. How do I get pass this?