The blog article is a bit dated but from Devin Ashby's presentation at the 2017 RootsTech conference suggests using Google Photos could be your solution. He says, “[Google] lets you create shared albums, collages, animations, movies, stories, and much more. It’s totally free and unlike any other photo app out there.” Give it a try!
https://www.rootstech.org/blog/a-guide-to-using-google-photos-for-genealogy#__prclt=9y9RQ3BO