By default numbers not in your contacts are blocked. Optionally allow: * Numbers you have contacted * Numbers within the selected groups * X registered call(s) from the same number within a set amount of minutes * Numbers found in messages * Numbers matching REGEX patterns * SIM 1/2 (Android 12+) * and more.. Optionally block: * Numbers matching REGEX patterns, including numbers in contacts * SIM 1/2 (Android 12+) If the app rejects calls from contacts on Android 10, allow Contacts permission manually in App info → Permissions. Permissions: * CALL_SCREENING - block or allow call * READ_CALL_LOG - check you have called/answered the number and count times the number have called you in X minutes * READ_SMS - check you have sent a message to the number and you received a message from the number * RECEIVE_SMS - find mobile numbers in incoming messages * NOTIFICATION_LISTENER - find mobile numbers in notifications * READ_PHONE_STATE - check on which SIM the number is calling * RECEIVE_BOOT_COMPLETED - persist clean expired numbers job across reboots * READ_CONTACTS - check the number exists in contacts on Android 10 or block calls from them It is Free Open Source Software. License: GPL-3