Yes, both Zendesk Chat and Nicereply offer a Free Trial.
Zendesk Chat is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Nicereply is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Chat Starts at $19/User/Month when Billed Yearly whereas for Nicereply Starts at $39/Month when Billed Yearly.
Some top alternatives to Zendesk Chat includes ZoomInfo Chat, LiveAgent, LiveChat, LiveEngage, Intercom, Comm100 Live Chat, Smartchat, raychat, Freshchat, RingCentral Engage Digital and Let's Connect.
Some top alternatives to Nicereply includes SurveyMonkey, QuestionPro, SightMill, SurveySparrow, Couchsurvey, SurveyRock, Cognito Forms, Liveform, SatisMeter, SmileBack and Simplesat.