Estimated Delivery Date ‑ EDD

I tried the app and it should be exactly what I need, but it does lack quite a bit of basic features which would greatly enhance the usability. Missing features are for instance having the widget shown for certain collections / products and changing the delivery date per collection / product. Also being able to show a delivery date range, instead of a delivery date would be a welcome feature.

Will definitely reinstall and purchase the app once these features are implemented.