18.1
RoboKiller is an Android and iOS app for blocking spam calls and filtering spam texts.
Free planAndroidiOSWeb
Best Call Blocking Software in 2026
28.1
Whoscall is an Android and iOS app for identifying callers and blocking spam and scam calls.
Free planAndroidiOSWeb
37.6
NumBuster identifies unknown callers and helps protect against phone fraud, spam, and unwanted messages.
Free planAndroidiOSWeb
- 4
Hiya Spam Blocker
Hiya Spam Blocker is a mobile app for Android and iOS that identifies unknown callers and screens or blocks unwanted spam, telemarketing, and robocalls.
Free planAndroidiOS7.1From $24 a year - 5
RealCall
RealCall is a mobile app for caller ID and blocking spam and scam calls, available on Android and iOS.
AndroidiOS7.0From $35.99 a year - 6
Nomorobo
AndroidiOS6.7From $19.99 a year - 7
Truecaller
Truecaller identifies incoming calls and messages and helps users detect and block spam.
AndroidiOSWeb6.7From $74.99 a year - 8
CallApp
Free planAndroidiOS6.6Free plan - 9
Callblock
iOS6.3From $19.99 a year - 10
Corta Spam
Corta Spam is a free, open-source Android app that screens incoming calls against rules before the phone rings.
Free planAndroid6.1Free plan - 11
SpamBlocker
SpamBlocker is a free Android app for screening unwanted calls and SMS while leaving the phone’s default call and messaging apps in place.
Free planAndroid6.1Free plan - 12
TrapCall
iOS5.8 - 13
Robo Shield
AndroidiOS4.9 - 14
CallShield
Android4.7