How can I register Whoscall? Whoscall Service Center September 10, 2020 07:21 You can register an account by Gmail, Facebook, or Apple ID. Related articles Can Whoscall iOS and Android accounts be shared? I just want to use the free trial, why am I charged? How can I report a number? How can I register Whoscall? Why cannot I find the "auto-update" function in my Whoscall? Comments 0 comments Article is closed for comments.