Apps like Cymbus

Here are some great alternatives to Cymbus by Alianza, Inc. :
Bria - VoIP SIP Softphone
Bria - VoIP SIP Softphone
★4.2
Anywhere Connect
Anywhere Connect
★3.4
Wildix Collaboration Mobile
Wildix Collaboration Mobile
★4.3
REDCOM Sigma Client
REDCOM Sigma Client
★4.4
Thirdlane Connect
Thirdlane Connect
★4.8
Groundwire: VoIP SIP Softphone
Groundwire: VoIP SIP Softphone
★3.4
Walkie Talkie App: VoicePing
Walkie Talkie App: VoicePing
★3.6
Voip By Antisip (+Video)
Voip By Antisip (+Video)
★3.7
NHC Mobile
NHC Mobile
★3.7
Teo Softphone for Android
Teo Softphone for Android
★4.8
Ringotel
Ringotel
★4.2
AGEphone
AGEphone
★5.0
ConnectUC
ConnectUC
★3.6
Bria Mobile: VoIP Softphone
Bria Mobile: VoIP Softphone
★4.1
Acrobits: VoIP SIP Softphone
Acrobits: VoIP SIP Softphone
★3.8
Sipnetic
Sipnetic
★4.0