Withings ScanWatch 2 vs Withings ScanWatch Nova
The Withings ScanWatch Nova lists for about $230 more than the Withings ScanWatch 2. Every other published figure for both is in the table, with the rows where they differ tinted.

Withings
Withings ScanWatch 2
~$370
Behind analog hands and sapphire glass, ScanWatch 2 records a single-lead ECG in 30 seconds from a finger on the steel bezel, and Withings' ECG App is FDA-cleared to detect atrial fibrillation.
Best for: People who want ECG and overnight health tracking in a watch that looks like a regular analog piece.

Withings
Withings ScanWatch Nova
~$600
Withings dresses the ScanWatch 2 health stack in a diver-style case: a unidirectional ceramic-and-steel rotating bezel, anti-reflective sapphire, Super-LumiNova hands and an integrated metal bracelet, plus a rubber strap in the box.
Best for: Buyers who want an FDA-cleared ECG inside a watch that passes for a steel dive watch.
| Specification | Withings ScanWatch 2 | Withings ScanWatch Nova |
|---|---|---|
| Approx. price | ~$370 (38 mm, regular price $369.95 on withings.com (both sizes; on sale at $309.95 on 2026-10-06)) | ~$600 (42 mm, regular price $599.95 on withings.com (on sale at $529.95 on 2026-10-06)) |
| Type | Hybrid | Hybrid |
| Platform | Withings | Withings |
| Case sizes | 38 mm / 42 mm | 42 mm |
| Weight | 38 mm: 34.6 g · 42 mm: 52.6 g (without wristband) | 42 mm: 63 g (without wristband) |
| Battery, smartwatch mode | 35 days (Withings: "Up to 35-day battery life" (both sizes)) | 35 days (Withings: "Up to 35-day battery life" (the same page's FAQ also mentions 30 days)) |
| Battery, always-on display | Not published by the maker | Not published by the maker |
| Battery, GPS workout | Not published by the maker | Not published by the maker |
| Battery note | The analog hands show the time continuously; the small grayscale OLED lights on demand. Withings quotes a 2-hour full charge. | The analog hands show the time continuously; the small grayscale OLED lights on demand. Withings quotes a 2-hour full charge. |
| Works with | iPhone and Android | iPhone and Android |
| iPhone | Yes | Yes |
| Android | Yes | Yes |
| Phone limits | Same on iPhone and Android: incoming calls are displayed and app and message notifications arrive, with no replies or apps on the watch. The Withings App needs iOS 18 or Android 12 and higher. | Same on iPhone and Android: incoming calls are displayed and app and message notifications arrive, with no replies or apps on the watch. The Withings App needs iOS 18 or Android 12 and higher. |
| Paid tier | Withings+, $99.5/year | Withings+, $99.5/year |
| What the paid tier gates | ECG recording, AFib detection and baseline health data stay free in the Withings app. Withings+ adds Cardio Check-Up (a cardiologist reviews an ECG within 24 hours), the Readiness Indicator ("Available with a Withings+ trial"), the AI Health Assistant and a nutritionist consultation. | ECG recording, AFib detection and baseline metrics stay free (Withings: "Do I need a subscription to access my health data? No."). Withings+ adds Cardio Check-Up (cardiologist ECG review within 24 hours), the Readiness score, the AI Health Assistant and a nutritionist consultation. |
| Update years | Not published by the maker | Not published by the maker |
| Cleared health features | ECG (atrial fibrillation detection) (FDA) | ECG (atrial fibrillation detection) (FDA) |
| Display | Hybrid analog | Hybrid analog |
| Dual-band GPS | No | No |
| Maps | No maps (No GPS in the watch; Withings lists no GPS among its sensors.) | No maps (No GPS in the watch; Withings: "ScanWatch Nova uses Connected GPS via your smartphone to track outdoor activities.") |
| Music on the watch | No | No |
| LTE | No LTE version | No LTE version |
| Contactless pay | No | No |
| Flashlight | No | No |
| Water rating | 5 ATM | 10ATM |
| Case | stainless steel | stainless steel case, ceramic and stainless steel rotating bezel |
Withings ScanWatch 2: what it gives up
- No GPS among its listed sensors, so no phone-free route tracking
- Tiny grayscale screen shows notifications but cannot reply to them
- Cardiologist ECG review and Readiness scores sit behind Withings+
- No payments, music or apps
- 42 mm case weighs 52.6 g without strap, heavier than the 38 mm
Withings ScanWatch Nova: what it gives up
- 63 g without bracelet is heavy for overnight sleep tracking
- Costs about 60 percent more than ScanWatch 2 for materials, not health features
- No GPS in the watch
- Notifications cannot be answered
- Cardiologist review and Readiness need Withings+
- One 42 mm size; the 39 mm Brilliant is a separate model
Full pages: Withings ScanWatch 2 · Withings ScanWatch Nova