Duet vs HeySpace: What are the differences?
Developers describe Duet as "Project Management for Freelancers and Small Businesses". Duet is an intuitive project management app created specifically for freelancers and small businesses. Duet does not have a monthly fee. Instead, it is available for a one time fee of $49. On the other hand, HeySpace is detailed as "If Trello and Slack had a baby - new team collaboration app". HeySpace is a new team collaboration app that combines Trello and Slack features in one tool. Manage tasks, track the progress and discuss all the assignments without jumping between two or more tools!.
Duet and HeySpace can be categorized as "Project Management" tools.