The purpose of this study to test a smartphone app with a breathing device that aims to help patients monitor and manage their COPD and improve their quality of life. This device measures how well the lungs are working, like a lung function test. This study lasts for 6 months and study procedures can be conducted remotely with no required study clinic visits. Eligible participants will be given a breathing device called a remote spirometer and will be asked to download an app to their phone and use the device to monitor their lung function and symptoms. A total of 120 individuals with COPD who live in rural areas of SC will be enrolled in this study.