While it is highly recommended to use CallApp as your default dialer, it is not required in order to identify and/or block callers.

How to use CallApp with a dual sim? CallApp does support Dual SIM cards. Please verify that you have properly inserted the 2 SIM cards. In order to change the name of the SIM, you need to change it first on the device’s settings. In order to change the SIM priority, please go to the […]

You need to go to the app’s  Settings, choose Call-Screen and there you can choose if you want that CallApp will show up for outgoing call screen, incoming call screen or for both.

How can i buy CallApp Premium? The CallApp Premium version without ads is available for a monthly payment  (‘Go Pro – Ad-Free’ –> ‘Buy CallApp’) or for a one-time payment (‘Go Pro – Ad Free’ –> ‘For one-time payment’). Purchasing a premium account without a credit card The purchase of the premium version is done […]