Many people read a white feather as a gentle reassurance, a sign of comfort or of someone remembered with love. Tradition sees it as calm and protection rather than any prediction.
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.