Fitbit Sense 2: full spec sheet and buying guide
The Fitbit Sense 2 is Fitbit's most health-focused smartwatch, adding stress sensing and an ECG app to everything the Versa 4 does. At the time of writing it holds a 4.1/5 average from more than 10,264 Amazon ratings.
All-day stress detection with cEDA, ECG app for AFib assessment, irregular rhythm notifications, SpO2, GPS and 6+ days of battery.
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Stress and heart health
Fitbit lists all-day stress detection using a cEDA (continuous electrodermal activity) sensor and a daily Stress Management Score, an ECG app for atrial fibrillation assessment, irregular heart rhythm notifications and SpO2. As with any wearable, these are screening tools, not a diagnosis.
Fitness and everyday use
It has built-in GPS, Daily Readiness, Active Zone Minutes, 24/7 heart rate, 40+ exercise modes and water resistance to 50 m. It supports on-wrist Bluetooth calls, Alexa, Google Wallet and Maps, with 6+ days of battery.
Strengths based on its spec sheet
- ECG app and irregular rhythm alerts
- All-day stress sensing (cEDA)
- 6+ days of battery
- Works with iPhone and Android
What to consider before buying
- Costs more than the Versa 4
- Some insights need Google Health Premium
- Lower 4.1 average rating
Want to compare this model with other wearables and health devices? Check out our wearables buying guide.
Who is it ideal for?
People who want health features like ECG and stress tracking with long battery, on any phone.
Who is it NOT the best option for?
If you only need fitness and sleep, the cheaper Versa 4 covers the essentials; see our wearables buying guide.
Frequently asked questions
What's the difference between the Sense 2 and Versa 4?
The Sense 2 adds cEDA stress detection, an ECG app and irregular rhythm notifications.
How long does the battery last?
6+ days, according to Fitbit.
Does it have GPS?
Yes, built-in GPS with a workout intensity map.
Is the Fitbit Sense 2 the right fit for you?
See current price on Amazon