I like this, and would use it. Haven't researched your competitor's offerings, but you seem to have a good grasp on what I would need to quickly and efficiently

I like this, and would use it. Haven't researched your competitor's offerings, but you seem to have a good grasp on what I would need to quickly and efficiently create screen shots. My use case is creating a 'story' for task instructions involving multiple steps, one screen for each step. Nice work.