ScanWatch Light
Withings ScanWatch Light is a watch from 2023, sitting in the mid-range band at an indicative $249.
It reads 10 of the 33 signals this comparison tracks. Nothing at all from fitness and body composition. Rarer readings it does take: sleep efficiency.
By sensor class: 5 at high accuracy and 4 at consumer grade. That grade is my classification of the hardware, not a lab test. Those readings come from an optical heart rate sensor, a GPS receiver and an accelerometer.
Its 30 days per charge are the 5th longest of the 80 devices of its kind here that publish a figure. It has a PMOLED screen. No GPS of its own, it borrows the phone's. Rated 5ATM, fine for swimming. It weighs 27.1 g. Case size 37mm. No subscription is required.
Entry hybrid; 24/7 HR, sleep, steps, workouts w/ connected GPS; no ECG/SpO2/temp.
Key specs
What it tracks
Heart & vitals
Sleep
Activity
Buying for battery life? See every device ranked by battery life
Turn a supported wearable into daily health scores
MyBodyAI reads COROS, Oura, Polar and Withings by logging in, Fitbit and Pixel Watch through Google Health, and Garmin through the Android app or a data export, then builds daily recovery, sleep, load and immune scores, a biological age estimate, and early warnings. Optional, and separate from this comparison.
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