Even with the largest storage options, most iPhone photo libraries eventually become too large to store on your phone. And when storing your photos locally, they’re not accessible on any other device. Cloud storage solves both of these issues. The most popular photo storage services for iPhone and iPad are iCloud Photo Library, Dropbox, and Google Photos. Let’s see how they compare and which is best for you. iCloud iCloud has been a part of Apple’s ecosystem since 2011.