What to do when he's slow and see other people ?

I've been seeing this guy for one month now (I'm 23 and he's 29). He's an artist. Our dates are great and in person, he's very lovable, I saw his friends after an event for 10 mins but he holds my hand and everything in front of them.

But right now I don't feel like I can completely trust him and feel safe around him. I saw that he was active on 2 dating apps (one of them being just for sex) . I asked him about it. I found out about the ######6 app after the conversation so we didn't talk about that, just tinder. His reply was that he's not really looking to see if the grass is greener somewhere else. He doesn't go on a lot of dates, that I'm the first person he's been on dates with since June and that he had a few hook ups but that's all, and it was before meeting me, he also said that he starts to appreciate me and want to do many things with me (but still didn't plan anything yet...). But he said that he's been using Tinder for a long time and that's one of his habit, he goes on it like me when I watch YouTube but isn't looking for anything.

I told him it makes me feel uncomfortable and for me , I need to feel safe and that I can trust him, even if we're not together yet I want to get to know him more. He said that for him exclusivity and commitment takes time, he really needs to be sure about the person and then, once he takes that decision, he sticks to it (he's been in long term relationships before - the last one ended a year ago). And he said he can't give me a reply yet about that but will think about it. For me, one month is enough to , at least , know if you want to continue to see someone or not.

He also always said we're going to have diner at his place and he will cook, will go to exhibitions,.. but we didn't do it so far. I'm kinda tired of this situation where there's no trust on my side. My vision is that he can try with me and if it doesn't work out, he can go back on the apps later. I know from my friend that he said on the sex app to someone (I saw), that he's "up for everything and he can host". I find it disrespectful.

I decided to stop texting him, we were supposed to have a diner with my friend on Sunday but I won't text him about that. I don't know if he's going to talk to me again or not (we only text every 3-4 days, and now I'm more the one who engage it). If he doesn't text me, I'd let him go on don't say anything. But in the case he texts me, do you think it's worth explaining him how I feel and that if nothing change, for me I can't continue seeing him. I can respect his rhythm but I think he can also respect my limits about not hooking up everywhere. And my last question is do you think that he can be serious ?
Thank you guys for your future replies I hope !!

Always believe a person’s actions rather than words. Ok, you are the one initiating contact. You are the one wanting a dedicated relationship. His actions are not those of a person wanting a dedicated relationship.

That’s all he has to give: a sporadic, non-exclusive dating relationship. It can’t be made into anything else.

Take care of your tender heart, and search for your soulmate elsewhere.

Big red flags everywhere, if you are interested in an exclusive (monogamous) relationship at some point. Even if he commits, I would be suspicious just based on what he has told you. And who knows what he hasn't told you.

Set your standards for dating and stick to them - you'll piss off players and attract men interested in your needs.

I am older and I have heard too many war stories from my female friends. I would look elsewhere.