Apps like Digital Voice

Here are some great alternatives to Digital Voice by StarHub :
Digivoice
Digivoice
★4.4
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.6
AGEphone
AGEphone
★4.3
VirtualPBX Softphone
VirtualPBX Softphone
★3.8
CWB Communicator
CWB Communicator
★3.7
jiPBX - SIP VOIP Softphone
jiPBX - SIP VOIP Softphone
★4.3
007VoIP Cheap VoIP calls
007VoIP Cheap VoIP calls
★3.7
GreenLink Softphone
GreenLink Softphone
★4.6
OneCloud
OneCloud
★4.1
Duo Voice - Duo Mobile Calls
Duo Voice - Duo Mobile Calls
★4.4
Connect.US
Connect.US
★4.2
Mobee Star
Mobee Star
★4.0
Mabrook Plazma
Mabrook Plazma
★3.5
Voiply Mobile: Calls & Text
Voiply Mobile: Calls & Text
★4.0
Fast Call
Fast Call
★4.1
Hangout Voice - Global Calls
Hangout Voice - Global Calls
★4.5