Free and open first
Best Call Blocking Software in 2026
Call blocking software helps identify spam callers, stop unwanted calls and screen calls before you answer. Lists may also compare caller reports and voicemail features.
- 14 apps
- Research read 7 Oct 2026
- How the order is worked out
- 1
CallApp
Free plan AndroidiPhone - 2
Hiya Spam Blocker
Free plan AndroidiPhoneHiya combines caller ID and spam screening with fraud alerts and suspected deepfake voice warnings. Review the platform and regional limits, and note that several features require Premium.
- 3
NumBuster
Free plan AndroidiPhoneWebChoose NumBuster if you want caller identification and number checks across Android, iPhone, and web, with community ratings and a free mobile app.
- 4
RoboKiller
Free plan AndroidAPIiPhone+1RoboKiller combines call blocking, text filtering, caller screening, and spam-call responses in a mobile app.
- 5
Corta Spam
Free plan AndroidChoose Corta Spam if you use Android and want configurable call screening with logs and blocked-call statistics.
- 6
RealCall
Free plan AndroidiPhoneRealCall combines call screening, caller ID, reverse lookup, and text protection in one mobile app.
- 7
Truecaller
Free plan AndroidiPhoneWebTruecaller combines caller identification, spam controls, message identification and reverse lookup across Android, iOS and web.
- 8
Whoscall
Free plan AndroidiPhoneWebWhoscall combines caller identification, call blocking, and scam checks with community reporting. Some features vary by region, and the business number option has a six-month minimum purchase.
- 9
SpamBlocker
Free plan AndroidSpamBlocker offers call and SMS filtering with several configurable rules and database options.
- 10
Callblock
Free trial iPhoneCallblock combines a large telemarketer directory with call and message screening on compatible iPhones. Its caller-ID requirement and subscription model are the main constraints to consider.
- 11
CallShield
Free plan Android - 12
Nomorobo
Free trial AndroidiPhoneNomorobo combines caller screening, robocall blocking, and text filtering in a paid mobile service.
- 13
Robo Shield
Free plan AndroidiPhone - 14
TrapCall
Free trial iPhoneTrapCall combines caller unmasking, lookup, blocking, and cloud recording for iPhone users in the United States.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare free plans, paid starting prices and trial periods before choosing. Check whether a tool runs on Android, iOS, the web or through an API. If you need to read or change code, review the project licence.
Questions
What platforms can call blocking software support?
Listings may support Android, iOS, web access or an API. Check the supported platform before choosing.
Do call blocking tools have free plans?
A free plan is offered by items on this list. Check the individual listing for its free-plan terms.
Which services offer a free trial?
Hiya Spam Blocker, Nomorobo and RoboKiller list 7-day trials. TrapCall also lists a 7-day trial.
What paid starting prices are listed?
Callblock lists plans from $1.99 per month. Nomorobo lists plans from $2.99 per month.
What features can I compare?
Compare spam caller ID, blocking modes, call screening, supported platforms, community reports and voicemail tools.
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