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Dexcom G7 Apple Watch Not Updating? How to Fix It
If your Dexcom G7 stopped showing glucose on your Apple Watch, the fix is usually simple. Here are the common causes and…
Smarter CGM Tracking for Everyone
Real-time glucose from FreeStyle Libre and Dexcom, with predictive low alerts, Apple Watch, Dynamic Island, family sharing and AI-powered insights, all in one app.
You’re in range
Great time in range today
Care Circle
Your family gets the same low alerts
Log your day
Meals, activity and more
Heading low?
Get warned before you drop
Features Overview
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Real-Time Glucose & Smart Alerts
Live readings from FreeStyle Libre, Dexcom and Nightscout, with high, low, rapid-change and predictive “heading-low” alerts you can tune to your own targets.
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Always a Glance Away
Your number and trend on the Lock Screen, Dynamic Island, Apple Watch and home-screen widgets. See it without ever opening the app.
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Care Circle for Family
Let the people you trust follow your glucose and get the same low and high alerts you do, with an optional emergency call for…
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AI Insights & Statistics
Time in Range and trends made clear, an AI food-photo carb estimate, and gentle, dose-free pattern insights to help you understand your day.
Smart Glucose Display & Integrations
A visual showcase of how Sugar Sense presents your glucose data using iPhone features, along with the supported device connections that power it all.
Connected to Apple Health
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Sign up with LibreLinkUp or Dexcom and start monitoring your glucose easily
One app, control everything
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01.Parents and caregivers can follow a loved one’s glucose in real time through Care Circle, sharing the same low and high alerts, with an optional emergency call so no urgent moment is missed.
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02.Stay in full control of your own data: customise every alert and threshold, log meals and activity, and see your trends, Time in Range and patterns together in one place.
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03.Give the people who support you a clear, real-time picture of glucose trends and time in range, so conversations are based on data, not guesswork.
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Frequently Asked Questions
Sugar Sense works with FreeStyle Libre sensors through LibreLinkUp, with Dexcom sensors through Dexcom Share, and with self-hosted Nightscout sites. You simply connect your existing CGM account (or your Nightscout URL and a read-only token), with no extra hardware required.
Yes. If you run a self-hosted Nightscout site, Sugar Sense connects to it with your site URL and a read-only access token and shows your glucose on iPhone and Apple Watch with the same alerts and sharing as any other source. Our Nightscout setup and troubleshooting guide walks you through it step by step.
Yes. Live glucose, graphs, statistics, your logbook, Apple Health and every core alert (including the predictive “heading-low” alert and fully custom thresholds) are free. A premium subscription adds the AI features (food-photo carb estimate and AI insights), Apple Watch, Live Activity / Dynamic Island and emergency calling.
Yes. Alongside standard high and low alerts, Sugar Sense includes a predictive “heading-low” alert that warns you when your glucose is trending toward a low, so you can act early. Every alert is customisable.
Yes. With Care Circle, the people you choose can follow your readings in real time and receive the same low and high alerts you do, with an optional emergency call, so you are never managing things alone.
Yes. Sugar Sense shows your glucose and trend on the Apple Watch (with complications), in a Live Activity and the Dynamic Island, and in home-screen widgets, so your number is always a glance away.
Your data is handled under the GDPR and is never sold. Glucose and health data are used only to power the features and sharing you turn on. See our Privacy Policy for the full details, including the sub-processors we use.
No. Sugar Sense is a companion app that displays data from your CGM. It is not a medical device and should not be used to make treatment decisions. Always follow your CGM and your healthcare provider’s guidance.
“No Data” usually means readings have not synced from your CGM account yet. Our FreeStyle Libre, Dexcom and Nightscout troubleshooting guides walk you through the most common fixes step by step.