Daily Graph Notes Diary is a free iPhone application designed to help users track daily numbers and visualize their data through graphs. This user-friendly app allows for easy entry of time series measurements, making it an ideal tool for those looking to maintain a record of their daily activities and health metrics. Users can write one-line notes that are always visible and add a daily comment as a concise diary entry.

The app provides flexibility in its setup, allowing users to choose whether their week starts on Sunday or Monday. With its straightforward interface and essential features, Daily Graph Notes Diary stands out as a practical choice for anyone seeking to organize their daily information in a visually appealing manner.