Smartchat offers Free Trial, but Respond.io does not.
Respond.io is designed for Large Enterprises, Medium Business and Small Business.
Smartchat is designed for Medium Business and Small Business.
Pricing for Respond.io Starts at $29/Month whereas for Smartchat Starts at $49/Month.
Some top alternatives to Respond.io includes ZoomInfo Chat, Intalk.io, Respond Flow, LiveAgent, UseResponse, LiveChat, Tidio Chat, HelpOnClick, Zoho SalesIQ, Smartchat and Channel.io.
Some top alternatives to Smartchat includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, LiveEngage, DeskMoz, Lime Talk, WebsiteAlive, ChatFlow247 and Let's Connect.