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Asthma and COPD don't have to hold you back. Breathe easier and move your life forward with Propeller. Propeller is a (US-based) FDA-cleared, CE-marked technology that works with existing asthma and COPD inhalers to help people understand their symptoms and gain control. We've created small sensors that simply clip onto your current inhalers. The sensors determine when you use your inhalers and send this information to the Propeller app. The Propeller app generates personalised insights and reminders to keep you on track. Propeller users experience more symptom-free days and up to 79% fewer asthma attacks. Propeller uses HealthKit to export your inhaler usage data into the Health app and to read activity data.Use Propeller to:+ Automatically record when and where you take your inhaler so you can identify triggers and track your symptoms+ Customise a schedule for controller medications to help you remember to take your medication on time+ See personalised patterns, trends and tips for your asthma and COPD + Rate your asthma or COPD control over the last month with the Asthma Control Test (ACT) or the COPD Assessment Test (CAT) + See your adherence timeline+ Check your Daily Asthma Forecast, including pollutant, humidity and temperature details+ Track a loved one's inhaler use, trigger and symptoms + Share asthma and COPD progress with your doctors Watch a quick video to find out more about Propeller — www.propellerhealth.com/about-video/.Continued use of GPS in the background can dramatically decrease battery life. Background GPS is not required to use Propeller.