Custom Annotation view for userlocation not moving the mapview

Question

Can we have custom annotation view for the users current location in iOS?

I need to remove the blue dot (with circles) with my own custom view (say some ping pin). Is it possible to do this?

If we do, does this pin move to new location when there is change in user's location? Or do we need to handle it programmatically?

I observed that if we use default blue dot for user's current location, then its gets updated in the map when there is change in user location.

I just want to know if this can be done with our own custom view.