I moved out of my moms house and I paid 200$ for my iPhone and she paid 100$ - should I give the whole iPhone to her or pay her 100 to keep?

I moved out of my moms house and I paid 200$ for my iPhone and she paid 100$ - should I give the whole iPhone to her or pay her 100 to keep?

Pay the $100 to keep

You need to work it out with her.

IPhones aren't that great, you can get a cheap and powerful flagship killing phone from China.