Advanced call blocking for Android. Block spam, telemarketing, and unwanted calls with powerful filtering tools.
iOS coming soon
Control which numbers can always reach you. Sync contacts automatically or add numbers manually.
Block calls by country of origin. Geo-block unwanted international calls with simple toggles.
Block specific phone numbers permanently. Add numbers manually or from call history.
Track blocked calls with detailed statistics. View activity charts and top blocked countries.
Customize blocking rules and preferences. Manage advanced filters and configure your blocking preferences.
Works 24/7 in the background. Blocks calls instantly before they reach you, providing continuous protection.
All call blocking happens locally on your device. No data is sent to external servers. Your privacy is guaranteed.
CallShield is not a dialer and does not replace your phone's default dialer. It works alongside your existing phone app.
CallShield does not access or control your contacts. It only processes call notifications locally to determine blocking actions.
The app works by intercepting call notifications. It doesn't control your phone's dialer or call functions, only filters incoming calls.
Explore the app interface and learn how to use each feature
Spam calls are being automatically blocked.
Manage call blocking by region.
Click on the icons to block or unblock countries
Manage blocked phone numbers.
Automatically block incoming calls from numbers that are not saved in your contacts list. Use with caution.
Block calls from numbers that do not have a valid international prefix. This helps prevent spoofed calls.
Download CallShield now and take control of your incoming calls
iOS coming soon