I also own a 5300 and there is an application that does as you are looking for for Windows though you may struggle with one for iOS I have been toying with the idea of trying to write something in Python that is more robust but haven't gone further than thinking just yet though the pdf that you found is very interesting

Regards Stevo

I also own a 5300, and there is a Windows application that does what you are looking for, though you may struggle with one for iOS. I have been toying with the idea of writing something in Python that is more robust, but haven't gone further than thinking just yet, though the pdf that you found is very interesting.

Regards Stevo