MaskCall is a free VOIP phone call app that allows users to make calls to any phone number worldwide, even if the recipient does not have the app installed. Users can make free calls using WiFi or cellular data, without consuming cell minutes. With over 200 supported countries, users can enjoy cheap or free international calls. New users are rewarded with 1000 credits upon sign-up, enabling immediate usage for calls to various countries.

The app offers clear and stable calling quality, akin to traditional landline calls, making communication seamless. Users can display their caller number through authentication, ensuring recipients know who is calling. Additionally, users can earn bonus points by completing certification. MaskCall stands out by providing unlimited free call credits through simple offers, allowing users to call non-app users for free by watching ads, playing games, completing tasks, and inviting friends.