Shared Album unable to download only photos from other members
I am trying to figure out if there is a way with an iOS/iCloud Shared album if there is a way to only download and add the photos from the other shared album members and not re-download all the photos I shared to the album. For example there are 3 of us in the iOS Shared album. I tend to take and import more photos to the album than the other 2 members ( I become the unofficial photog lol). At the end of the vacation I want to be able to only import the photos from the other two members into my personal library and not redownload the 1000+ I took. I know I can download all and then run the iOS Photo Duplicate checker, but this seems more of a hassle than just importing cleanly from the start.
We tried the Shared Photo Library as a test run (instead of the Shared Album). I am not a fan of the Shared Library, not to mention you can only create one and we don't always travel with the same group. I also tried to see if the Photos app on the MacOS was any different, and there was nothing option wise that was any different.
We have used The Guest app in the past for photo sharing and they did an excellent job at aggregating photos and then making it easy to only download/import the photos from other group members and not redownload your own photos you shared. They retained full quality and the location data so it was a perfect app, but they are now shut down. I have been unable to find a comparable app that is either free or if they charge they don't make it easy to download photos. (Not to mention apple like Cluster and Ceremony are no longer being supported but still usable).
If anyone has any ideas on how to filter which photos you download from the Share Album I would love to hear how. Thanks in advance if anyone has any insight on how to do this easily and cleanly.
iPhone 14 Pro Max, iOS 16