does the phone mount come off to attach a gopro ?
The phone mount can be retracted, with 1/4" screws on the top, you can install the gopro adapter.
Will this work for the iPhone 13 max pro?
Yes it definitely will. It works great with my 13 Pro and has plenty of room to fit the Max as well.
We want to start recording our podcast using an android phone. Can this be used on a floor or retracted and placed on a table?
Yes, using your Android phone, the tripod can either be placed on the floor or on a table. You can arrange your phone to shoot either horizontal or vertical.