I'm a long time Google Photos user myself, and have always been disappointed by the lackluster sharing and organizational capabilities in GP -- Google threw AI at the problem and considered it solved.
We're working on a new app that solves those problems by adapting to how actual humans organize and share their memories. We're also making it offline-first (https://twitter.com/cachapa/status/1395321808400883712) and obviously, end-to-end encrypted.
There's more at https://storyark.de, and while you're at it sign up for our upcoming beta test too :-)