Call Sentinel
Silence spam calls. Keep your peace.
📵 Aggressive Unknown Call Blocking
Automatically silence callers not in your contacts so scammers never ring your phone.
🔕 Voicemail Prevention (Pro)
Stop spam callers from leaving voicemails entirely.
🌍 Country Code Blocking (Pro)
Block entire international regions known for scam operations.
🔒 100% On-Device Privacy
No data stored. No servers. Works directly with the Android Phone app on your device.