Fitbit Sense 2 Advanced Health Smartwatch – ECG, SpO2, Stress & Sleep Tools
🔥 #98 in Smartwatches · New Best health-focused smartwatch for Android & iOS
Fitbit Sense 2 Advanced Health Smartwatch — 40.5mm, GPS, ECG, SpO2
Fitbit 3.6
#98
in Smartwatches
$190 →
As of Jul 13, 2026
AI-estimated. See how we score. How we score Affiliate link — we may earn a commission
01 / Spec
Top features
Platform OsFitbit OS (proprietary)
Phone CompatibilityiOS 13+ and Android 7.0+
Display1.58-inch AMOLED always-on
The Fitbit Sense 2 is a premium health-focused smartwatch running Fitbit's proprietary OS, compatible with both iOS and Android phones. It features a comprehensive sensor suite: 24/7 heart rate, SpO2, ECG app for atrial fibrillation detection, stress management tools (cEDA sensor), and advanced sleep tracking with Sleep Score. Built-in GPS enables accurate workout mapping across 40+ exercise modes with automatic tracking. The 1.58-inch AMOLED display is always-on and customizable. Battery life reaches 6+ days of typical use. Water-resistant to 50 meters (5 ATM), it supports Bluetooth calls, texts, notifications, Google Wallet, Google Maps, and Amazon Alexa. Includes 3 months of Google Health Premium membership (worth ~$60). Slim, raised-band design fits both small and large wrists. Best for health-conscious users wanting clinical-grade metrics without Apple/Samsung ecosystems. Currently discounted 24% from $249.95 to $190.
02 / Signals
Why it's hot
Premium health tracking + 6-day battery at 24% discount
- Value for money 75
- Review rating & velocity 80
- Community sentiment 81
- Brand reputation 91
- Search heat 64
- Est. return & defect rate 78
03 / Verdict
Pros & cons
Pros
- Comprehensive health sensors (HR, SpO2, ECG, stress, sleep)
- 6+ day battery life — above-average for smartwatches
- Works with both iOS and Android phones
- Accurate GPS and 40+ workout modes
- Always-on AMOLED display
- Includes 3 months Google Health Premium membership
Cons
- No cellular connectivity (Bluetooth only)
- Proprietary OS limits third-party app ecosystem vs. Wear OS/watchOS
- Fitbit app ecosystem smaller than Apple/Google alternatives
- Premium pricing at launch ($249.95 MSRP)
Platform OsFitbit OS (proprietary)
Phone CompatibilityiOS 13+ and Android 7.0+
Display1.58-inch AMOLED always-on
Case Size40.5mm
Battery6+ days
GpsBuilt-in GPS with workout mapping
Health SensorsHeart rate, SpO2, ECG, cEDA (stress), sleep tracking, temperature
Water Resistance5 ATM (50 meters)
ConnectivityBluetooth, WiFi, NFC (Google Wallet)
Weight0.42 lbs (~190g for band+watch)
ColorShadow Grey / Graphite
05 / Your take
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05 / Compare
Compare the best alternative
One useful head-to-head in Smartwatches, with the rows most likely to separate the contenders.
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Apple Watch SE 3 (40mm GPS, Midnight Aluminum, Midnight Sport Band)
Battery (days)
~6 days Longest battery 18 hours (daily charging required)
App Ecosystem
Fitbit app + limited third-party (proprietary OS) watchOS App Store, Apple Health, strong integration
Display
AMOLED always-on touchscreen Retina LTPS with always-on (SE 3 refresh)
06 / Rivals
Compare with
07 / Variations
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08 / Browse
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