Daily Health Diary app to record daily readings using a digital spirometer and any other device such as a thermometer if you have any symptoms of any health issue. This helps in communicating better with doctors and tracking healthy life. Not only when unwell but also this helps you maintain a record of your daily readings and lifestyle. VIEW uses Asp.net core 2. X REST API with JSON Output, Asp.net core 2. x MVC Web Application for Frontend and Rest API as API Technology.