CallApp is described as 'Free Caller ID and Call Blocker app that allows mobile users to block phone calls, identify telemarketing calls, record phone calls, blacklist unwanted callers and much more'. There are more than 10 alternatives to CallApp for a variety of platforms, including Android, iPhone, Online / Web-based, Android Tablet and Windows Phone. The best alternative is Yet Another Call Blocker, which is both free and Open Source. Other great apps like CallApp are Should I Answer? (Paid), Calls Blacklist (Free), Truecaller (Freemium) and Mr.Number (Paid).
- 18 alternatives