Cloud storage stands for memories kept somewhere you cannot touch. Dream books read it as trust in what is invisible, and as a worry that what is saved might not be there when needed.
Does the traditional reading fit your dream, or did it mean something else to you?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.