Detailed comparison and review of Polar Unite and Fitbit Sense 2. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Polar Unite | Fitbit Sense 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 43.4 mm | 40.5 mm |
| Height | 43.4 mm | 40.5 mm |
| Depth | 10.4 mm | 12.3 mm |
| Weight | 32 g | - |
| Body Material | Fibreglass reinforced polymer | Aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Unite | Fitbit Sense 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, optical heart sensor | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, active time, menstrual cycle, breathing rate, temperature, sleep quality score, blood glucose |
| Modes | - | 40+ sports modes |
| Goal Setting | Yes | Yes |
| Features | Fitness test, Bluetooth Smart technology, inactivity alert, GPS via mobile, guided breathing session, Nightly Recharge recovery measurement, FitSpark training guide | Find phone function, automatic exercise recognition, breathing training function, Active Zone Minutes, HRV index, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score, all day body response tracking, cardio fitness score |
| Notifications | Calendar, SMS, Email | SMS, applications, high and low heart rate, calls, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS receiver |
| Payment Technology | - | FitBit Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Alexa built-in |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Polar Unite | Fitbit Sense 2 |
|---|
| Wireless Interface | Bluetooth | NFC, Bluetooth 5.0 |
|---|---|---|
| Connectors | USB | - |
| DISPLAY | Polar Unite | Fitbit Sense 2 |
|---|
| Type | IPS - colour | Colour |
|---|---|---|
| Resolution | 240 x 204 pixels | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Polar Unite | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push button |
|---|
| CASE | Polar Unite | Fitbit Sense 2 |
|---|
| Case Shape | Round | Square |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | - | Platinum aluminum |
| BAND | Polar Unite | Fitbit Sense 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S/L | S |
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | 130-210 mm | 129-175 mm |
| Changeable | Yes | Yes |
| Clasp Type | Snap & slip | Pin-and-tuck |
| Band Material | Silicone | - |
| Band Colour | Black | Blue | Pink | White | Lunar white |
| BATTERY | Polar Unite | Fitbit Sense 2 |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Capacity | 174 mAh | - |
| Battery Life | - | 6 day(s) |
| Battery Life Details | Watch mode + HR - up to 4 days Training mode + HR - up to 50 hour(s) |
GPS mode - up to 5 hour(s) |
| Rechargeable Battery | Yes | - |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | Polar Unite | Fitbit Sense 2 |
|---|
| Included Accessories | Charging/data cable | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | Polar Fitness Test, Polar Flow | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 30 m | 50 m |
| Max Operating Temperature | 50 °C | 45 °C |
| Min Operating Temperature | -10 °C | -10 °C |
| Warranty | 2-year warranty | 2-year warranty |
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