How to use CallApp? Using CallApp is as simple as ever, offering the most user-friendly experience possible! CallApp provides you with the answers to all of your calling needs, starting with Caller ID, which helps you always know who is calling thanks to our phone number database, known to be the world’s largest. You can […]

Yes! CallApp is completely FREE and for unlimited time! In addition, a Pro-version of CallApp is available for users  who prefer to purchase a premium version of the app which is free of ads.

CallApp is the #1 Caller ID & Block app in the US and the world’s largest, most comprehensive, unlimited and FREE caller-id. CallApp identifies a billion of unknown callers before you pick up the phone and updates your contacts with social pictures & info from: Facebook, LinkedIn, Instagram, Twitter, Foursquare, Whatsapp and all major social […]