With the latest mobile OS15 theme, you can transform your device into a new look. In iCallOS15, you will be able to experience the OS15 contacts' colorful calling screen and phonebook. 

In addition, the iCallOS15 also contains a ringtone option and caller name. iCallOS15 is an all-in-one contact, dialer and call log phone app. It will be easier for you to find your favorite phone number and use it to place the call. 

Enjoy this multifunctional app with great choices of colorful caller screens.