A telephone spam checking website and app, operating in Europe and targeting English, Czech and German speakers. The app can be used to automatically block nuisance callers, or alert the user to numbers other users have found to be problematic.
The app is currently only available in the Czech Republic, but will be rolled out world wide soon. The mobile-friendly responsive website is available to everyone.
The website is written in ASP.NET, and the mobile app is written using Xamarin.