I received an e-mail recently from BackerKit – https://www.backerkit.com/ with several updates mentioned:
I have used BackerKit as a backer, but never as a campaign creator. I find it easy to use although each creator has a lot of control over what they can allow and disallow. My suggestion to the creators is allow as much freedom as you are comfortable with. I have seen campaigns where you couldn’t change your pledge using BackerKit and others where you could not only add stuff, but add items from earlier campaigns. In other campaigns, if you only backed PDFs or other digital items, but didn’t pledge for physical copies, you weren’t allowed to add physical copies on BackerKit.
I mentioned it before, but BackerKit does allow linking your Patreon account to your BackerKit account: Backerkit Patreon Beta for Creators.