CallerSmart is described as 'We've all been there. You've missed a call on your phone from an unknown number. You wonder if you should call back, it could be important. Or maybe it's yet another telemarketer ringing to sell you insurance. That's why we created CallerSmart' and is an app. There are more than 10 alternatives to CallerSmart for a variety of platforms, including Android, iPhone, Web-based, Android Tablet and HUAWEI AppGallery apps. The best CallerSmart alternative is Truecaller, which is free. Other great apps like CallerSmart are Should I Answer?, Phone.Report, Orange Phone and Sync.ME.