Automated Blocking

“Block 99.9% Of Unwanted Calls”

When someone calls you, CallSure's AI checks the number in a huge database of over 982 million unwanted callers. If it's a bad number, we'll handle it by automatically blocking the call for you.
%
Spam Calls Blocked
Installs Nationwide
£ m
Prevented Losses
M
Number Database
AI-Powered Defense

Unleash the Power of Artificial Intelligence

CallSure is the first service to use AI and machine learning tools, like live fingerprinting and call screening, to stop spammers before they bother you. Whether it's your personal phone or business lines, our advanced technology puts a quick end to those annoying calls.

Real-time Live Fingerprinting

Live fingerprinting evolves in real-time, even if a number isn't in our database.

Intelligent Call Screening

Advanced AI refines its screening process learning from your interactions
Smarter Solutions

Future-Proof Call Blocking Technology

Every year, phone networks get bombarded with billions of scam calls, and spammers keep switching up their tricks. With trends like caller ID spoofing and spam texts, regular call-blocking apps struggle to keep pace — that's why we made ours smarter and more effective.

Rapid Scam Recognition

Robust protection against emerging scam tactics, adapting as spammers evolve

Dynamic Spoofing Defense

We dynamically counter block SMS and caller ID spoofing, unlike our competitors
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What others say

"Makes a real difference! No more unwanted calls. Recommend it!"
James Anderson
"So grateful! Blocks those annoying calls effortlessly."
Sophia Reynolds
"CallSure is a game-changer. Finally, peace from constant spam calls!"
Christopher Brooks
"Loving the app! It's like having a personal bouncer for my calls."
Daniele Fisher