Apps like NimbusPhone

Here are some great alternatives to NimbusPhone by UC Apps :
voipoffice
voipoffice
★4.0
iPlum: 2nd Phone Number App
iPlum: 2nd Phone Number App
★4.1
VirtualPBX Softphone
VirtualPBX Softphone
★3.8
Telzio
Telzio
★3.9
TeleConsole
TeleConsole
★4.0
Voiply Mobile: Calls & Text
Voiply Mobile: Calls & Text
★3.9
RemiPBX
RemiPBX
★4.8
Grasshopper
Grasshopper
★4.1
MobiCalls VOIP Calls
MobiCalls VOIP Calls
★3.8
ANY CALL
ANY CALL
★3.8
Linked Phone Business Number
Linked Phone Business Number
★4.3
OneCloud
OneCloud
★4.1
Mabrook Prime
Mabrook Prime
★4.4
MightyCall Mobile
MightyCall Mobile
★3.3
Zoiper IAX SIP VOIP Softphone
Zoiper IAX SIP VOIP Softphone
★4.3
Global Voice Call - WiFi Call
Global Voice Call - WiFi Call
★3.9