Yes, both VoIPstudio and CloudTalk offer a Free Trial.
VoIPstudio is designed for Large Enterprises, Medium Business and Small Business.
CloudTalk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for VoIPstudio Starts at $4.99/User/Month whereas for CloudTalk Starts at $25/User/Month when Billed Yearly.
Some top alternatives to VoIPstudio includes Voiptime, CloudTalk, Dialpad Talk, Vonage Business, Vodia PBX, PBX Plus by 500apps, Voxloud, MightyCall, Continent Telecom IP PBX, iPlum and OpenPhone.
Some top alternatives to CloudTalk includes Nextiva, CallTools, HoduCC, Call Center Studio, Truly, Aircall, JustCall, Dialpad Contact Center, RingCentral Contact Center, VoxDesk and Squaretalk.