CallStop is described as 'is the 100% effective robocall and spam call blocker. The app can protect any phone number, letting you choose who can reach you, and when'. There are more than 10 alternatives to CallStop for Android, iPhone, Android Tablet and the Web. The best alternative is Yet Another Call Blocker, which is both free and Open Source. Other great apps like CallStop are Should I Answer? (Paid), Calls Blacklist (Free), Mr.Number (Paid) and Nomorobo (Freemium).
- 13 alternatives
- Unknownphone.com brings you the complete app to avoid phone scams, unwanted calls and extra charges in your bill. With more than 100. View 13 alternatives to Call Blocker: Block spam calls
- Freemium • Proprietary