18.1
RoboKiller is an Android and iOS app for blocking spam calls and filtering spam texts.
Free planAndroidiOSWeb
Alternatives to AT&T ActiveArmor
28.1
Whoscall is an Android and iOS app for identifying callers and blocking spam and scam calls.
Free planAndroidiOSWeb
38.0
Getcontact is a caller ID and spam-blocking app that identifies calls from numbers outside your contacts and alerts you to unwanted calls.
Free planAndroidiOSWeb
- 4
YouMail
YouMail combines robocall protection, privacy tools, and visual voicemail for Android, iOS, and the web.
Free planAndroidiOSWebAPI8.0From $5.99 a month - 5
NumBuster
NumBuster identifies unknown callers and helps protect against phone fraud, spam, and unwanted messages.
Free planAndroidiOSWeb7.6Free plan - 6
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 - 7
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 - 8
T-Mobile Scam Shield
T-Mobile Scam Shield helps protect customers on T-Mobile’s network from scam calls, spam texts and harmful websites.
Free planAndroidiOS6.9From $4 a month - 9
Call Assistant AI
Call Assistant AI is a call management app for handling incoming calls and reducing spam and robocalls.
AndroidiOSWeb6.7From $69.99 a year - 10
Nomorobo
AndroidiOS6.7From $19.99 a year - 11
Should I Answer?
Should I Answer? is a community-based service and mobile app for identifying and protecting against unwanted calls, telemarketing, and expensive outgoing calls.
Free planAndroidiOSWebExtension6.7Free plan - 12
Truecaller
Truecaller identifies incoming calls and messages and helps users detect and block spam.
AndroidiOSWeb6.7From $74.99 a year - 13
Who Called
Who Called filters unwanted calls using an official telemarketer prefix list and community reports.
Free planAndroidiOSWeb6.7Free plan - 14
CallApp
Free planAndroidiOS6.6Free plan - 15
PhoneBlock
PhoneBlock helps users block advertising and spam calls using a shared database of reported numbers.
Free planAndroidiOSWebAPI6.6Free plan - 16
Robocall Blocker
AndroidiOS6.6From $9.99 a month - 17
Call Control
Call Control blocks unwanted calls and text messages, including robocalls and telemarketing.
AndroidiOSWebAPI6.5$69.99 one-time - 18
Callfilter.app
Callfilter.app is a free, open-source Android app that rejects incoming calls according to rules you choose.
Free planAndroid6.5Free plan - 19
Call Insider
Call Insider is a free service for identifying unknown phone numbers and sharing reports about callers.
Free planAndroidWeb6.4Free plan - 20
Callblock
iOS6.3From $19.99 a year - 216.2From $19.99 a year
- 22
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 - 23
Firewall
iOS6.1From $3.99 a month - 24
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 - 25
CallWall
CallWall is a free iOS app that uses a community-powered database to block spam calls and filter spam texts.
Free planiOS6.0Free plan - 26
HangUp
HangUp is a free standalone Android app from NordVPN that checks unknown calls in real time and screens incoming texts for threats.
Free planAndroid6.0Free plan - 27
Yet Another Call Blocker
Yet Another Call Blocker is a free Android app for screening unwanted calls and displaying caller information.
Free planAndroid6.0Free plan - 28
TrapCall
iOS5.8 - 29
5.6Free plan - 30
Call Blocker
Android5.4