How to see FreeStyle Libre 3 and 2 readings on CarPlay
Yes. Sweet Dreams shows your Libre readings on CarPlay: on iOS 26 or later, your Live Activity appears automatically when you start driving. You connect with a LibreLinkUp account (not LibreLink).
- Works with
- FreeStyle Libre 3, FreeStyle Libre 3 Plus, FreeStyle Libre 2 (where it uploads automatically), FreeStyle Libre 2 Plus
- Sign in with
- a LibreLinkUp account (not LibreLink)
- Updates
- The graph in the app refreshes every minute. The Live Activity refreshes every 5 minutes, or every minute on request.
- Not supported
- Lingo; Libre 2 in regions where it doesn't upload automatically to LibreLinkUp
- CarPlay
- Included in Sweet Dreams Premium
Step 1: Connect Libre to Sweet Dreams
Already follow someone in LibreLinkUp? Skip to the last step.
- Open the FreeStyle Libre app, signed in to your LibreView account. Tap the menu (three lines), then Share or Connected Apps.
- Tap Connect or Manage next to LibreLinkUp, then Add Connection. Enter a name and email address (your own works) and tap Add.
- Install LibreLinkUp. It's a separate app from the FreeStyle Libre (LibreLink) app.
- Open the invitation email, create a LibreLinkUp account, verify your email, then tap Accept on the sharing request.
- In Sweet Dreams, choose FreeStyle Libre and sign in with the LibreLinkUp email and password.
Step 2: Set up CarPlay
- Start a Live Activity in Sweet Dreams.
- Connect your iPhone (iOS 26 or later) to CarPlay. The Live Activity shows up automatically when you start driving.
- Optional: in Settings → CarPlay, choose a glass background. This setting also affects the Live Activity on Apple Watch.
Good to know for Libre
- The Live Activity refreshes every 5 minutes by default. Tap Request frequent refreshes in Settings → Live Activity & Dynamic Island for a refresh every minute.
- As a fallback, Calendar integration (Settings → CarPlay → Connect with Calendar on iOS 26, or Settings → Calendar on earlier versions) puts your latest reading in a Sweet Dreams calendar that CarPlay can show. The Live Activity performs better, so use that where you can.
Common questions
Is CarPlay free?
CarPlay is part of Sweet Dreams Premium. Downloading the app and setting up alerts is free.
Which Libre account do I sign in with?
A LibreLinkUp (follower) account. Invite a LibreLinkUp follower from the FreeStyle Libre app (your own email works), accept it in LibreLinkUp, then sign in to Sweet Dreams with the LibreLinkUp account.
Do I sign in with LibreLink or LibreLinkUp?
LibreLinkUp. Sweet Dreams signs in as a follower, so the FreeStyle Libre (LibreLink) login won't work.
Does Sweet Dreams work with Lingo?
No. Lingo doesn't share readings through LibreLinkUp.
Free on the App Store for iPhone, Apple Watch, iPad and Apple silicon Macs.
Last updated 2026-10-12