While I voted for google photos in https://news.ycombinator.com/item?id=18770681, I will say that apple photos is nice if you have zero need to share a library with family members. For better or worse, apple Unlike third-party uploaders, Apple photos can “cheat” and upload no matter what. That by itself makes it the most reliable for Apple ecosystem folks. That said, I’ve not had any issues in recent history with the google photos uploader.