Someone has been texting people from my number, but it's not me

I have seen apps where you can log in and view activity/control texts, but when i research people say you can't do this. But like couldn't you even do this with apps or websites to view your messages on a computer?

I am wondering how someone could do this, and if it is a hacker or someone I know personally.

A little while back I had fraud on my bank from apple gift cards. This person also asked my friend …

apps can computer control log messages my number people privacy research texting texts websites