Yes, both ZIWO and Nextiva offer a Free Trial.
ZIWO is designed for Large Enterprises, Medium Business and Small Business.
Nextiva is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ZIWO Starts at $109/User/Month whereas for Nextiva Starts at $18.95/User/Month when Billed Yearly.
Some top alternatives to ZIWO includes Nextiva, TalkDesk, Calabrio One, CallTools, uContact, CloudTalk, Call Center Studio, Dialpad Contact Center, Callision, RingCentral Contact Center and CallMatrix.
Some top alternatives to Nextiva includes uContact, Call Center Studio, Grasshopper, Dialpad Contact Center, Vonage Contact Center, RingCentral Contact Center, ipSCAPE and OmniOMS Customer Communication Management Suite.