HomeAppsCommunicationDuoVoice - WiFi CallingApps like DuoVoice - WiFi Calling Here are some great alternatives to DuoVoice - WiFi Calling by Hangout Studio : Duo Call - Dual Global Calling ★4.0 Duo Voice - Duo Mobile Calls ★4.3 Duo Call Pro - Global Calling ★3.9 Duo Number - 2nd Phone Line ★4.2 Dual Video Chat + Phone Number ★4.4 Phone Call & WiFi Calling App ★4.3 Call App: We Talk to Global ★4.5 Blue Call - Global WiFi Call ★3.6 AbTalk Call - Worldwide Call ★4.1 TrueCall - Global WiFi Call ★3.9 Fast Call ★4.1 Go Calling-Second Phone Number ★3.6 True Phone Call - Global Call ★4.2 iPlum: 2nd Phone Number App ★3.7 Tele Now - Private Number ★3.8 Global Voice Call - WiFi Call ★3.9