Fitbit Inspire 3 vs Withings ScanWatch 2
The Verdict
Fitbit Inspire 3 delivers exceptional value at $99, offering core health tracking with SpO2, heart rate, and sleep monitoring on a lightweight, comfortable AMOLED display. Its 10-day battery and magnetic charging make daily use frictionless. Withings ScanWatch 2 justifies its $349 premium through advanced ECG capability, hybrid analog watch design with always-on OLED subdisplay, stainless steel construction, and remarkable 30-day battery life. While both track essential metrics and offer 5ATM water resistance, ScanWatch 2's professional-grade health features and elegant timekeeping appeal to serious health enthusiasts and formal wear contexts. For basic fitness tracking and budget-conscious buyers, Inspire 3 excels. For those prioritizing comprehensive cardiac monitoring, premium materials, and minimal charging frequency, ScanWatch 2 justifies its investment. Choose Inspire 3 for simplicity and value; select ScanWatch 2 for medical-grade features and sophisticated design.
Who Should Buy
Buy the Fitbit Inspire 3 if…
- →10-day battery life — charge once and forget for well over a week
- →Color AMOLED display is a huge upgrade over Inspire 2's grayscale
- →Ultra-lightweight at 20 g — perfect for sleep tracking
Buy the Withings ScanWatch 2 if…
- →30-day battery life is unmatched — charge monthly, not daily
- →Looks like a luxury analog watch — no one will know it's smart
- →Medical-grade ECG, SpO2, and respiratory rate monitoring
Category Scores
Pros & Cons
Fitbit Inspire 3
Pros
- 10-day battery life — charge once and forget for well over a week
- Color AMOLED display is a huge upgrade over Inspire 2's grayscale
- Ultra-lightweight at 20 g — perfect for sleep tracking
- SpO2 and skin temperature sensors at just $99
- 5ATM water resistance for swimming
Cons
- No built-in GPS — relies on phone GPS for outdoor tracking
- No NFC — cannot use Fitbit Pay
- Tiny screen limits notification readability
- Best health insights locked behind Fitbit Premium subscription
- No always-on display option
Withings ScanWatch 2
Pros
- 30-day battery life is unmatched — charge monthly, not daily
- Looks like a luxury analog watch — no one will know it's smart
- Medical-grade ECG, SpO2, and respiratory rate monitoring
- Skin temperature tracking for early illness detection
- Stainless steel build is genuinely elegant
Cons
- No GPS — phone required for route tracking
- Tiny OLED sub-display limits notification readability
- No NFC for contactless payments
- No third-party apps — health tracking only
Full Specifications
| Spec | Fitbit Inspire 3 | Withings ScanWatch 2 |
|---|---|---|
| Software | Fitbit OS | Withings OS |
| Body | ||
| Weight | 20 g | 39 g |
| Case material | Plastic resin | Stainless steel |
| Water resistance | 5ATM | 5ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 10 days | Up to 30 days |
| Display | ||
| Size | 0.73 inches | 42 mm |
| Type | AMOLED | Hybrid analog + OLED |
| Always-on display | ||
| Resolution | 256 x 124 | Hybrid analog with OLED sub-display |
| Processor | ||
| Chipset | Fitbit custom processor | Withings proprietary |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Fitbit products or all Withings products. View full details for the Fitbit Inspire 3 or the Withings ScanWatch 2.

