About Call Blocker
Call Blocker blocks unwanted incoming phone calls using individual numbers or number prefixes. Prefix rules can block a range of numbers, while a history view lists calls that were blocked. Dual-SIM devices are supported. Users can back up and restore their block list, with optional encryption for the backup. The app uses Android’s native call-screening service and requires phone access to identify and block calls, plus notifications to alert when a call is blocked. It works without an internet connection and is described as having no ads or tracking; blocked numbers remain on the device. Call Blocker is suited to users who want local number-based controls for reducing spam, telemarketing, or other unwanted calls.
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