Can't handle my enormous Pinboard collection – Pushpin for Pinboard Review

I used Pinner but it's share sheet is flaky. So switched to Pushpin. Alas, it can't handle my tens of thousands of Pinboard items (extreme case). It simply refuses to update, or updates slowly. Suspect way it invokes Pinboard API triggers throttling. Pinner avoids that. I think for majority of users it is fine, but for me it simply does not work whereas Pinner does (save share sheet!). So only tow stars for my use case.
Review by jfaughnan on Pushpin for Pinboard.