What’s the etiquette regarding matches after a first date?

I’ve usually never had any success with dating apps, and was literally about to quit until I lost weight and had better photos, but I changed my profile around one last time and now I have a couple people chatting with me.

I went on a first date, but I still have other people talking with me, but those haven’t progressed to a first date yet.

I don’t want to hurt any feelings or come across as a scumbag, but I’m not like, actually involved with this person yet, so it feels like it would be silly to go “first date was kinda good. Time to ghost everyone else”.

Also feels like I’d hurt feelings if I tell this first person “I actually met someone else. Sorry about texting you on and off for a month and wasting your time”

I guess in other terms: am I doing something shitty? Because I feel like even considering that makes me shitty