Know Who's Calling.
Block Spam Instantly.
KNOCKS is a modern caller ID and spam protection app. Identify unknown callers in real-time and join a privacy-first community keeping your phone safe.
+1 (800) 555-0199
Severe Spam Risk
Community Reports
Works in Milliseconds.
From the moment the call connects, our network goes to work to ensure your phone only rings for the people that matter.
Call Received
An unknown number dials your phone.
Instant ID
KNOCKS checks the number instantly.
Status Shown
It's flagged as severe spam.
Auto-Blocked
The call is blocked seamlessly.
Your Data
Stays Yours.
No Selling Personal Data
We never monetize your contacts or call history.
Encrypted Storage
Your data is secured with enterprise-grade encryption.
Community-Driven
Powered by real users reporting real issues safely.
Minimal Data Collection
We only collect what's absolutely necessary to protect you.
A Clear View of
Every Call.
Built from the ground up for speed, accuracy, and a beautiful dark-mode native experience.
Recent Calls
Amazon Delivery
Verified Business
Stop the Spam.
Take Back Your Phone.
Join millions of users identifying unknown callers and blocking spam instantly with KNOCKS.