Office Chat offers Free Trial, but Rock does not.
Rock is designed for Large Enterprises, Medium Business and Small Business.
Office Chat is designed for Medium Business and Small Business.
Pricing for Rock Starts at $4.99/Month whereas for Office Chat Starts at $20.75/Month when Billed Yearly.
Some top alternatives to Rock includes Remotewo, mi.team, Workstorm, Hibox, Dialog, Office Chat, Brosix, Distributed, Knock and Remo Virtual Office.
Some top alternatives to Office Chat includes Google Chat, Output Messenger, Trillian, Dialog, imBee, Pumble, Takle, TelebuPing, Microsoft Kaizala and ICQ.