Identify your triggers and better understand what’s causing flare-ups so you can confidently plan for the day ahead. Propeller is clinically proven to reduce the use of rescue inhalers,Merchant et al., (2016). Effectiveness of population health management using the propeller health asthma platform: a randomized clinical trial. J Allergy Clin Immunol Pract,Chen et al., (2019). Passive monitoring of