Neither Coolr nor Socket.IO offers a free trial.
Coolr is designed for Large Enterprises, Medium Business and Small Business.
Socket.IO is designed for Individuals and Small Business.
Pricing details for both Coolr and Socket.IO are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Coolr includes SAP Litmos, Slack, Cisco Jabber, Chatter, Verizon Business Messaging, Google Chat, Socket.IO, Element, Microsoft Kaizala and BearTax.
Some top alternatives to Socket.IO includes Pusher Channels, Google Chat, Trillian, Dialog, Office Chat, ChatCamp, MQTTCHAT, Pumble, SimpleLive and Distributed.