PDF Max - Fill Forms, Annotate PDFs & Take Notes

PDF Max - Fill Forms, Annotate PDFs & Take Notes
By Mobeera

https://itunes.apple.com/au/app/pdf-max-fill-forms-annotate/id540572073?mt=8

Here's their sales pitch:

 * 40% OFF FOR A LIMITED TIME** Much more for much less, pay once for all your devices, PDF Max designed for those people who’re looking for a full-featured PDF annotating, form-filling & note-taking app. PDF Max provides all features you need for an everyday PDF & note-taking app in one place so that you do not need to spend extra money for other apps.

I'll be testing it out soon- has anyone used it?