Brosix offers Free Trial, but Rock does not.
Rock is designed for Large Enterprises, Medium Business and Small Business.
Brosix is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Rock Starts at $4.99/Month whereas for Brosix Starts at $4/User/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 Brosix includes mi.team, Slack, Glip, Output Messenger, Dialog, Office Chat, TIMU, imBee, ChatBlazer and Teamwork Chat.