Apps like Nubefone: Low-cost calls

Here are some great alternatives to Nubefone: Low-cost calls by Peoplecall :
NatWest International
NatWest International
★4.8
Yolla: International Calling
Yolla: International Calling
★4.0
Tele Now - Private Number
Tele Now - Private Number
★4.1
Go Calling-Second Phone Number
Go Calling-Second Phone Number
★3.6
PlanetTalk International Calls
PlanetTalk International Calls
★4.5
Talk360: International Calling
Talk360: International Calling
★4.3
WeCall - Global WiFi Calling
WeCall - Global WiFi Calling
★3.8
TouchCall - Global Calling
TouchCall - Global Calling
★4.2
Call App: We Talk to Global
Call App: We Talk to Global
★4.5
IndiaCall
IndiaCall
★4.3
VCall - Global WiFi Call
VCall - Global WiFi Call
★3.9
Fast Call
Fast Call
★4.1
Blablablapp cheap calls
Blablablapp cheap calls
★4.0
Duo Call - Dual Global Calling
Duo Call - Dual Global Calling
★3.6
Pingo - International Calling
Pingo - International Calling
★4.6
PhoneClub International Calls
PhoneClub International Calls
★4.4