Image2Note is an iPhone app that helps you organize your photos by creating a hierarchy of notebooks and chapters. You can add photos to a chapter and give them a short description note. The image with the note description is called an image note. Later, you can browse your image notes by locating the corresponding notebook and chapter. The app is designed to help you keep track of your photos and notes in a more organized way. Besides photo, you can also add text note and pdf files. It is available on the App Store.