
Fitbit Sense
Score: 81/100
Withings ScanWatch 2
Score: 85/100Rankings

The Withings ScanWatch 2 is a hybrid analog-digital smartwatch that blends a classic stainless-steel design with a discreet OLED screen and a 30-day battery life. Its drawbacks include a relatively heavy feel when the band is attached and a very small digital display. It is best suited for health-focused professionals who value medical-grade tracking and long battery endurance.

The Fitbit Sense is a health-focused smartwatch with a vivid AMOLED display and a robust suite of sensors, highlighted by its six-day battery life. Its main trade-offs are region-locked features, reliance on a phone for calls, and a deactivated Wi-Fi module. Ideal for health-conscious adults who value detailed wellness tracking and built-in GPS.
| Attribute | ![]() | ![]() |
|---|---|---|
144 hours | 720 hoursbest | |
| ↓ lower better | 30 gbest | 83 g |
35.56 mmbest | 16 mm | |
4 GBbest | — | |
0 years | 2 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 144 hours | 720 hours |
Display(3) | ||
Display Size (mm) | 35.56 mm | 16 mm |
Display Resolution | 336x336 | 14504 |
Display Type | AMOLED | Grayscale OLED |
General(1) | ||
Warranty Period (years) | 0 years | 2 years |
Build & Design(1) | ||
Weight (g) | 30 g | 83 g |


Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors commend the Fitbit Sense for its robust health sensor suite-including ECG, cEDA stress monitoring, and SpO₂-paired with a long-lasting battery and a vivid AMOLED display. They note its strong step counting, sleep tracking, and built-in GPS as valuable for active users, while calling out the regional limitations of certain features, the reliance on a phone for calls, and the deactivated Wi-Fi as drawbacks.
Everyday users praise the swim-proof capability, magnetic charger, and interchangeable bands, highlighting the accurate movement tracking and week-long battery life. Common complaints revolve around the inability to make standalone Bluetooth calls, region-locked health features, incompatibility with older Versa bands, and the perceived heaviness of the device.

Professional reviewers praise the ScanWatch 2 for its impressive 30-day battery, premium materials and the seamless hybrid design that merges classic watch styling with modern health sensors. They also commend the precise accelerometer and the addition of temperature and HRV tracking. However, they note the 42 mm model's higher band-included weight and the modest 0.63-inch screen as drawbacks, and they flag inconsistencies in spec listings that could confuse buyers.
Everyday users generally enjoy the lightweight feel of the watch without the band, the long battery life and the subtle hybrid look that doesn't scream 'smartwatch.' The most common complaints revolve around the heft when the band is attached and the limited size of the OLED display, with some confusion about the exact glass material used.
“I love the lap-tracking swims”

“The battery lasts me a full week even with daily workouts”

“Gadgetoid highlights the 52.6 g (42 mm without band) as "svelte" compared to the original ScanWatch's 83 g.”

