THE BEST
I use PDF Provider Pro numerous times each day. For iPhone and iPad use, I block and copy email text, retrieve from the Clipboard inside PDF Provider, and save as a PDF.
I then save to DropBox. Works like a charm.
Yes, they were behind the 8-ball with iOS 8 but were quick to acknowledge my emails to their support group and releases an update/fix earlier this week.
Highly recommend this app!
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