The number of photos and videos you can store depends on your available iCloud storage. When you sign up for iCloud, you automatically get 5 GB of free storage, and several iCloud storage plans are available from 50 GB for $0.99 up to 1 TB.Cloud Photo Library FAQ. iCloud Photo Library works seamlessly with the new Photos app to keep your photos and videos stored in iCloud and up to date on your iPhone, iPad, iPod Touch, Mac, and iCloud.com. iCloud Photo Library is available with iOS 8.3 and later, and Yosemite 10.10.3 and later.