Shield One

Offline spam call blocker for Android. No tracking, no ads.

Shield One is a lightweight spam call blocker built for privacy. Everything runs on your device, no internet connection, no tracking, no ads, and no subscriptions. Choose how strict your protection is with flexible blocking for spoofed local numbers, private numbers, and international calls. You can also whitelist area codes or numbers so important calls get through. Launching free for a limited time. Regular price will be $4.99. Currently available in North America.