Why is Whosall Premium on iOS different from on Android? Whoscall Service Center September 10, 2020 07:19 Whoscall iOS version provides different functions from the Android version due to the restriction of the iOS system. Related articles I just want to use the free trial, why am I charged? Why does “Call Blocking & Identification” often turn off automatically? My Whoscall Premium was automatically renewed, how do I apply for a refund? How to cancel my Whoscall Premium subscription? How to cancel my subscription? Comments 0 comments Article is closed for comments.