Apps like OTO Free International Call

Here are some great alternatives to OTO Free International Call by openvacs :
imo-International Calls & Chat
imo-International Calls & Chat
★4.3
Phone Call App & WiFi Call Any
Phone Call App & WiFi Call Any
★4.2
ANY CALL
ANY CALL
★3.8
WeCall - Global WiFi Calling
WeCall - Global WiFi Calling
★3.8
Yolla: International Calling
Yolla: International Calling
★4.0
Bluee Calls & Top-Up
Bluee Calls & Top-Up
★3.7
Phone Call & WiFi Calling App
Phone Call & WiFi Calling App
★4.4
International calling app
International calling app
★4.0
KeepCalling International
KeepCalling International
★4.4
Pingo - International Calling
Pingo - International Calling
★4.6
Net10 International Calls
Net10 International Calls
★3.6
International calls
International calls
★4.5
Ring Phone Calls - JusCall
Ring Phone Calls - JusCall
★4.3
Call Global
Call Global
★4.1
Straight Talk International
Straight Talk International
★3.6
AbTalk Call - Worldwide Call
AbTalk Call - Worldwide Call
★4.2