Detailed comparison and review of Polar Unite and Fitbit Sense. 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 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 43.4 mm | 40.38 mm |
| Height | 43.4 mm | 40.38 mm |
| Depth | 10.4 mm | 12.45 mm |
| Weight | 32 g | - |
| Body Material | Fibreglass reinforced polymer | Stainless steel, aluminium |
| Protection | Water-resistant | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Polar Unite | Fitbit Sense |
|---|
| Sensors | Accelerometer, ambient light sensor, optical heart sensor | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, sleep stages, stress level, menstrual cycle, ECG |
| 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 | Music remote handling, HR zones, breathing training function |
| Notifications | Calendar, SMS, Email | Missed calls, calendar, SMS, social apps |
| 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 | - | Google Assistant, Alexa |
| CONNECTIVITY | Polar Unite | Fitbit Sense |
|---|
| Wireless Interface | Bluetooth | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|---|---|
| Connectors | USB | - |
| DISPLAY | Polar Unite | Fitbit Sense |
|---|
| Type | IPS - colour | AMOLED - colour |
|---|---|---|
| Resolution | 240 x 204 pixels | - |
| Screen Protection | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Polar Unite | Fitbit Sense |
|---|
| Type | Touch sensitive screen | Touch sensitive screen |
|---|
| CASE | Polar Unite | Fitbit Sense |
|---|
| Case Shape | Round | Square |
|---|---|---|
| Case Details | - | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| BAND | Polar Unite | Fitbit Sense |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S/L | S/L |
| Band Width | 20 mm | - |
| Fits Wrist with Circumference | 130-210 mm | 140-220 mm |
| Changeable | Yes | Yes |
| Clasp Type | Snap & slip | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | Black | Blue | Pink | White | Sage grey | Carbon | Lunar white |
| BATTERY | Polar Unite | Fitbit Sense |
|---|
| 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) |
Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | Yes | Yes |
| MISCELLANEOUS | Polar Unite | Fitbit Sense |
|---|
| Included Accessories | Charging/data cable | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Polar Fitness Test, Polar Flow | 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 | - |
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