@johnhenry can't you just do something like "save on desktop" from the web app ?
I'm on Android so I don't know the exact words they use on iPhone, but it's a progressive web app, so you should be able to do that.
@johnhenry Ok, then you can try one of these : https://github.com/tootsuite/documentation/blob/master/Using-Mastodon/Apps.md
I don't know which one is the best one, though.
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!