Fitness Trackers / Withings
Withings ScanWatch Light (37mm)
A month of battery in a steel watch case — with no ECG, no SpO2 and no GPS chip.
Overall score 6.3/10
Pros
- + A month or more per charge, by far the longest run time in this comparison
- + Stainless steel and real analogue hands — it passes as a watch, not a fitness band
- + CSV account export and a public API make your data genuinely portable
- + Two-year warranty and HSA/FSA eligibility
Cons
- − $249.95 buys no ECG, no SpO2 and no GPS chip — the 'Light' name is doing a lot of work
- − Sources conflict on both battery life (30 vs 35 days) and whether connected GPS is supported at all
- − The Withings+ features most people want, including cardiologist ECG review, need hardware this model does not have
- − Withings does not publish the Withings+ price on its US pages, so the real cost of ownership is unclear at purchase
- − The 0.63-inch grayscale sub-display shows very little at a glance
Withings ScanWatch Light (37mm) review: what the specs say
A month of battery in a steel watch case — with no ECG, no SpO2 and no GPS chip. At $249.95, Withings's 2024 model sits at the premium end of the category — the fitness Trackers we compare run from $51.99 to $359. It scores 6.3/10 overall, calculated from published specifications across 8 categories rather than from a subjective impression.
Its strongest showing is Battery Life at 9.5/10 — real endurance once continuous heart rate, SpO2 and the always-on display are enabled, not just the headline figure.. The weakest is Phone Independence at 2.0/10, which is the trade-off to weigh before buying: if that is the specification you care about most, one of the alternatives below will serve you better.
Worth knowing before you buy: $249.95 buys no ECG, no SpO2 and no GPS chip — the 'Light' name is doing a lot of work; and sources conflict on both battery life (30 vs 35 days) and whether connected GPS is supported at all. Every specification on this page comes from Withings's own documentation or a verified retail listing — where a figure is not published, the table says so rather than estimating it.
Specifications and price last verified . Report an error
Full Specifications
| GPS | Connected GPS at best — the Amazon listing advertises 'Connected GPS' using the phone, while Withings' own shop spec sheet does not list GPS at all. Sources conflict; either way there is no GPS chip in the watch |
| Display | Analogue hands plus a 0.63-inch grayscale OLED sub-display (282 PPI) |
| Rated Battery Life | 30 days |
| What the Battery Claim Assumes | Sources conflict: Withings' own shop page claims up to 35 days, while the Amazon listing title and launch coverage say 30 days. No SpO2 sensor is drawing power |
| Subscription Model | Optional — Withings+ adds cardiologist ECG review, the AI Health Assistant, NutriCare and Readiness scoring. One month is included. Withings does not publish the Withings+ price on its US product or subscription pages |
| Annual Subscription Cost | Not published on Withings' US Withings+ page $ |
| Water Resistance | 5 ATM / 50 m, swimproof |
| ECG / AFib & FDA Status | No ECG on the Light — Withings reserves ECG and AFib detection for ScanWatch 2 and Nova. The cardiologist ECG review sold under Withings+ therefore does not apply to this model |
| SpO2 Sensor | No — Withings explicitly omits the SpO2 sensor on the Light |
| Phone Compatibility | iOS and Android via Withings Health Mate |
| Charger | Proprietary magnetic puck |
| Data Export | Health Mate offers a full account data export in CSV, and Withings publishes a developer API |
| Connectivity | Bluetooth |
| Material | Stainless steel case, Gorilla Glass, fluoroelastomer strap |
| Warranty | 24 months |
Compare Withings ScanWatch Light (37mm) With
Cheaper Alternative
Polar Loop (2025) — $199.99
Premium Alternative
WHOOP MG (Life membership) — $359.00