Welcome to BlueStar, ViacomCBS!

At no additional cost, you and your dependents with type 1 or type 2 diabetes are eligible to use the FDA-Cleared BlueStar app as part of your daily diabetes care.

Digital Diabetes Coaching,
Just for You!

BlueStar is a mobile and desktop app that acts as your digital diabetes coach. It’s easy to use and gives you real-time feedback on how to manage your diabetes. BlueStar also helps you share your progress with your healthcare provider and diabetes care team.

Stay Supported and Connected

Real-Time Coaching

Enter a blood glucose, activity, meal, or sleep and get in-the-moment feedback and encouragement.

Smart Challenges

Make small changes with weekly challenges that over time can help lower your blood glucose and A1c levels.

Personalized Insights

The more you use BlueStar, the smarter it gets. Get weekly trends and see what's working and what's not.

Chat with Experts

Ask questions to a team of diabetes experts. Get answers when you need it the most.

"The miracle of modern science is not a new pill. It is a smartphone app called BlueStar." -The Economist

Diabetes Doesn't Have to Be Scary

Begin Your BlueStar Journey

Access Code: ViacomCBS

On Your Smartphone or Tablet
  1. Search for “BlueStar Diabetes” in your app store and download. Or scan this QR code from your phone’s camera.
  2. In the app, select “Sign Up” and enter your access code.
On the Web
  1. Click Here to Launch the BlueStar Web
  2. Select “Sign Up” and enter your access code.

If you have any questions, please contact BlueStar Customer Care at 1-888-611-4794, available Monday-Friday from 8 AM – 6 PM ET.


BlueStar is indicated for use by patients aged 18 and older who have type 1 or type 2 diabetes and their health care providers. BlueStar is not intended to replace the care provided by a licensed health care professional. BlueStar should not be used by patients with gestational diabetes or patients using an insulin pump. Contact Welldoc for complete labelling.

The privacy and security of your personal information is very important to us. We protect it in accordance with the Health Insurance Portability and Accountability Act (HIPAA).