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Skip to contentApply, activate, track, add daily content and learn from your own ketone patterns.
A lightweight sensor sits on the back of your upper arm and continuously measures ketones in interstitial fluid.
Latest app version shown. Available on Android; iOS update under review. iOS interface and some features may differ.
After warm-up, readings update every five minutes so you can see direction, duration and change—not just one isolated number.
Follow the next four hours, connect the curve with what you ate and compare responses over time.
Learn what helps your body adjust and move into ketosis.