DexcomOnScreen

Tellblom

About this app

DexcomOnScreen is a lightweight, customizable floating widget that displays your latest Dexcom glucose readings directly on your screen — no matter which app you're using. Designed for convenience and visibility, it offers a discreet circular overlay that updates automatically every few minutes, helping you stay aware of your glucose trends without needing to open the Dexcom app.
Perfect in the car when using Google Maps.

Features include:

Real-time glucose updates from your Dexcom account

Adjustable text size and opacity for personalized visibility

Drag-and-drop positioning to place the overlay anywhere on your screen

Quick access to settings via double-tap

Automatic updates every 5 minutes

Whether you're working, gaming, or just browsing, Dexcom Overlay keeps your glucose data in sight — without getting in the way.

Medical Disclaimer
NOTE: This app should not be used to make medical decisions. All therapeutic decisions, including those regarding calculating insulin or other drug dosages, should be based on blood glucose measurements obtained from a blood glucose meter and not on data from this app.

What’s new

Real-time glucose updates from your Dexcom account
Adjustable text size and opacity for personalized visibility
Drag-and-drop positioning to place the overlay anywhere on your screen
Quick access to settings via double-tap
Automatic updates every 5 minutes