1. Workflow Management: Active Collab focuses on providing project management tools such as task management, time tracking, and invoicing within a team collaboration environment. On the other hand, KanbanFlow centers around visualizing workflows using the Kanban method, focusing on task tracking and limiting work in progress to enhance productivity.

2. Team Collaboration vs. Individual Task Management: While Active Collab emphasizes team collaboration and communication by providing a platform for project planning and execution among team members, KanbanFlow is more geared towards individual task management and personal productivity.

3. Invoicing and Financial Management: Active Collab offers features such as invoicing and financial management tools, allowing businesses to handle billing and expenses directly within the platform. In contrast, KanbanFlow does not have built-in features for invoicing or financial management.

4. Task Dependencies and Gantt Charts: Active Collab allows users to set task dependencies and generate Gantt charts to visualize project timelines and dependencies. In contrast, KanbanFlow does not offer advanced task dependency features or Gantt chart functionality.

5. Time Tracking Capabilities: Active Collab includes time tracking features to monitor the time spent on tasks and projects, enabling users to analyze productivity and billable hours. KanbanFlow does not have built-in time tracking capabilities, focusing more on task visualization and management.

6. Customization and Integrations: Active Collab provides a variety of customization options and integrates with other tools such as Google Drive and Dropbox, allowing users to tailor the platform to their specific needs. KanbanFlow offers limited customization and fewer integrations compared to Active Collab.

In Summary, Active Collab focuses on team collaboration, workflow management, and financial tools, while KanbanFlow emphasizes individual task management, the Kanban method, and simplicity in task visualization.