Anonymous call is an android app which you can call any numbers around the world without revealing your real number. When you call someone, they will receive your call as private number or any four or five digits numbers and we have integrated credit system so users can earn credits by watching rewardvideo or buy credits through android in-app billing and upi payment. Users can use this credits to call. Also we integrated firebase database for managing your users and sending push notifications. If you are a programmer, you can add more features in the app and this app is very responsive.

Demo: https://codecanyon.net/item/anonymous-call-android-free-calling-app-with-inapp-purchase-credit-system/25997908