LiveAgent offers Free Trial, but Heyhi does not.
Heyhi is designed for Medium Business and Small Business.
LiveAgent is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Heyhi Starts at $29/User/Month whereas for LiveAgent Starts at $15/User/Month.
Some top alternatives to Heyhi includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, LiveEngage, DeskMoz, MyLiveChat, Provide Support, WebsiteAlive, Smartchat and Let's Connect.
Some top alternatives to LiveAgent includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, ClickDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, Help Scout, LabiDesk, LiveChat, Zendesk Chat, LiveHelpNow and Little SaaS Communication.