I would go further and say, in a crowded space like that with some excellent free options (i'd also add https://redash.io/ https://redash.io/ to the list which

I would go further and say, in a crowded space like that with some excellent free options (i'd also add https://redash.io/ https://redash.io/ to the list which is very pleasant to work with), you need to show what actually differentiates you from those free and mature solutions.