Most Helpful Guys
If you are not at all attracted to him, you should be honest with him. However, I must say that questions like this always perplex guys. Girls frequently say "let's just start as friends and see where it goes," or "I want my romantic partner to be my best friend," So along comes a guy and you see a potential for a great friendship so you automatically cross him off the list of potential romantic interests.
I guess it should not be weird if you met on a dating app and just want to be friends I guess its a good sign that you are clear about your path and you want to be friends with him so yeah I would say just talk with him and convey him your idea if being friends thats is I dont think there is any chance he will respond negatively.
Most Helpful Girl
Just be honest and upfront, and that will save a lot of trouble down the line. You don't want attachment to grow if someone has any thoughts of it being more than just friends