Output Messenger offers Free Trial, but Quill does not.
Quill is designed for Large Enterprises, Medium Business and Small Business.
Output Messenger is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Quill Starts at $15/User/Month whereas for Output Messenger Starts at $35/Year.
Some top alternatives to Quill includes Tipi, Output Messenger, Dialog, Office Chat, mais.im, nooQ, imBee, Takle, Messenger Communication Platform and TapTalk.io.
Some top alternatives to Output Messenger includes Slack, uShare.to, Trillian, Dialog, Office Chat, SafeChats, Softros LAN Messenger, Takle, Brosix and Teamwork Chat.