Oozing with quality. Downloaded and installed the free version today. I'm going to purchase the premium upgrade now.
The interface is the dashboard is beautiful and getting it up and running was straightforward. Having skipped right over the readme.txt,
I initially missed the fact that there are 2 shortcodes needed to set up the process, not one. The first is for the opt in form page or modal and the second is for the download button on the page that the subscriber goes to from their opt in confirmation email.
Overall, DOIFD has a dead simple setup for what is in reality a fairly intricate and complex process.
It works great both in the modal popup and the widget sidebar on a client's site.
Thank you Andy!