Easy Peak Flow Diary is a free app designed as a peak flow (PEF) diary, tracker, and charting tool for individuals with asthma and other lung diseases. It simplifies the process of tracking peak flow and symptoms, offering a straightforward and effective diary system. The app allows you to easily input new measurements, store entries with optional comments, and visualize your data for better understanding and monitoring.

One of the key features of Easy Peak Flow Diary is the ability to export your data via email, share them with your physician, and store them locally on your device. It also provides a risk chart, statistics, and visualization tools to help you manage your condition effectively.