Check out a data and metadata management assistant for Mac. Work with different types of photos and replace, remove, or update such information as dates and names of the files based on EXIF or filesystem input. Synchronize separate pictures or entire folders.
shootShifter helps to redate and rename photos based on the EXIF or filesystem dates. With the preview timeline it's quite easy, for example, to synchronize several folders of images that were taken with different camera dates.