DocHub is a web application which means a web browser and Internet connection is required.
Just go to dochub.com to view, edit, sign, and share your PDF documents.
We plan to offer an Android and iOS app for offline PDF editing at some point, but for now, you must go to dochub.com.
If you've edited a PDF in DocHub and would like to access it offline, you can download a copy of the PDF from your account or share it via email. DocHub offers several different ways to export a copy of your PDF which are all explained in the articles below: