Yes, both Call Loop and Zipwhip offer a Free Trial.
Call Loop is designed for Large Enterprises, Medium Business and Small Business.
Zipwhip is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Call Loop Starts at $25/Month when Billed Yearly whereas for Zipwhip Starts at $35/Month.
Some top alternatives to Call Loop includes CircleLoop, Sendloop, SMS Gateway Hub, MOBtexting, CallFire, Zipwhip, SendHub, LoopMessage, SMSlocal and Loop Email.
Some top alternatives to Zipwhip includes CometChat, Podium, MOBtexting, SimpleTexting, Twilio Flex, SMS.to, TextMagic, Buddy Texts, Cloudli TalkNText and CloudContactAI.