Rating: 1 star

Last tested: October 2017.
It does no longer work, as it calls URLs no longer accessible on the Conversio/Receiptful system. It’s a pity, as it was a very good addin and the Conversio (formerly Receiptful) system is very good and easy to work with.

Rating: 5 stars

Tested with Easy Digital Downloads plugin. It does what it says!