Call and SMS blocker for blocking spam calls and texts. Built in SMS messaging for blocking spam texts. Notice: Blocking spam text messages requires the app to be the default SMS app. Spam blocking: * Spam blocking for calls by adding phone numbers to the blacklist. * Block everyone except contacts. * Block phone numbers using an area code. * Block private phone numbers. * Whitelist for phone numbers that should never be blocked. * Dual SIM support. * Call blocking log. SMS messaging: * Simpl