In my 9 years of making mobile apps, I've never hated a tool more than I've hated InVision. But congrats to the team on this pick up I suppose.
InVision seems to me to be a company without a vision. I think their tools are only useful for prototyping things that are so simplistic that they don't require a prototype. I know art directors that like it for sharing visual designs with clients. I despise it for prototyping complicated applications. The workflow is disjointed, confusing, and under-powered.