It's true. You can feel better.

Get a FREE sensor for your inhaler.

See if we can help you reduce symptoms.

How Propeller Works

Propeller is a sensor + software system that uses breakthrough, FDA-cleared technology to make living with Asthma and COPD simpler.

1) Attach Propeller Sensor to your inhaler

2) Download the Propeller App to talk wirelessly to your sensor

3) Save time and see fewer symptoms

Gain real insights

Propeller helps you understand what may be causing your symptoms, so you can live a healthy, active life.

Reduce the hassle

It can be difficult sticking to your medication plan. Propeller helps you remember to take your medications and track symptoms.

Stay Connected

Propeller makes it easy to build a stronger connection to your doctor and the rest of your support team.

Reduce Symptoms & Attacks

Propeller improves outcomes. See if we can help you.

fewer asthma attacks

fewer missed doses

Through generous funding from the Robert Wood Johnson Foundation, the nation’s largest philanthropic organization focused on public health, qualifying Louisville residents may receive a smart sensor for their inhaler at no cost.


"My biggest 'wow' moment was getting a text message that my son used his inhaler"
Propeller user and caregiver,
"Asthma can make a lot of things in your life just a little more challenging. We all get busy and you can have a tendency to just deal with things being harder, but the weekly emails ...helped remind me to take some time to check in with myself to see how I was doing and actually focus on making sure I'm managing my asthma as well as I can be."
Propeller user and patient,

Get Started in 5 Minutes

"Can Propeller Help?" Quiz
Download Propeller App
Sensor arrives in Mail!