Should kids have phones at 10? What's the right move here

My son is 10 and half his friend group has their own phones. He's asking for one constantly. My gut says no, he's too young, but I'm also not trying to make him feel like the weird kid. My wife thinks 11 or 12 is more reasonable. What's the vibe out there? When did you guys get your kids phones and do you regret it or not regret it?