Inhaler Sensor + App =
Automatic Inhaler Tracking

Propeller is helping thousands of people with asthma

How Propeller works


1Connected inhaler sensors

Propeller sensors simply attach to your current inhalers and gather information about your medication use


2A smartphone app

Sensors automatically send inhaler information to the Propeller smartphone app


3Personalized insight and care

The Propeller app builds your personalized profile where you receive insight and education about your asthma


4Partner with your doctor and family

Choose to share Propeller insight and progress with your doctor and family

Join thousands who are decreasing their symptoms

  • Learn what is triggering your asthma
  • Feel in greater control of your breathing
  • Gain more confidence for daily activities
  • Understand your symptoms easily
  • Receive personalized asthma forecasts and support
  • Share insight and progress with your family
Smartphone showing med schedule screen from the Propeller app and hands holding an MDI inhaler with a Propeller sensor attached

Let's find the Propeller sensor that's right for you

Get started in less than 5 minutes

  • Answer a few quick questions to find the Propeller sensor that fits your inhaler

  • Download the Propeller app and your sensor will arrive in the mail within days

  • Simply attach the Propeller sensor to your inhaler – it will automatically sync to the Propeller app

  • Continue to use your inhaler as prescribed, then learn personalized insight and manage your asthma in the Propeller app

  • Choose to share progress with your doctor and family

Propeller App

Available for Apple and Android smartphones and tablets
app icon
app screenshot
app screenshot
app screenshot

Frequently Asked Questions

How can a smartphone app and sensor help my asthma?

Propeller gives you insight about your health that you can act on. The sensors and app build an automatic log of your asthma to help you see patterns and learn what triggers your symptoms. This can give you and your doctor the information needed to determine whether your care needs adjusting.

Is there a cost to enroll in the program?

No. The program is covered by your pharmacy benefit at no extra charge to you.

How long does the sensor last? Do I need to change the battery?

Propeller sensor batteries last 12 months. If your sensor stops working, call us. If you’ve had it for less than a year, we’ll replace it.

Who has access to my data?

Express Scripts pharmacists who specialize in asthma will have access to your data and reach out in case you need additional help. Your privacy is very important to Propeller. Your identifiable information will never be sold.

I don't have a smartphone. Can I still use Propeller?

Yes. you can download the Propeller app on most tablets. Propeller sensors send your inhaler use data to your account using the Propeller app, so you'll need either a smartphone or tablet to see your information.

How long does it take to get a sensor?

Sensors typically arrive within 5 - 7 business days. We’ll give you a tracking number once your sensor kit has been shipped.

We are always happy to help!
Please call us with more questions at 1 (877) 447-4415

Offered at no cost
Easy to use and understand
Cleared by the FDA

What people are saying about Propeller

Let's find the Propeller sensor that's right for you

Explore Propeller for