Can Whoscall block SMS? Gogolook Service September 10, 2020 07:24 Currently, Whoscall is unable to block SMS due to the restriction of the iOS system. Related articles How to activate Quick Search widget? Does Whoscall automatically block unknown numbers? What features does the Whoscall Premium version have? How to activate the "Caller Identification" function? Why cannot my Whoscall identifies numbers, after I successfully turn on "auto-update"? Comments 0 comments Article is closed for comments.