Filter Flair review for Shopify Counter

The app is good for using the counter, but it feels like it's lacking behind the current Shopify level of sales granularity. We use net sales targets internally like a lot of business and it's a bit frustrating that we can't set the counter to show net sales. The data is available from Shopify, so I feel this should be pretty standard. If you could add this, it would make the counter / app much more functional.