In depth comparison and review of Pebble 2 + Heart Rate and Fitbit Sense 2. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.
| GENERAL | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Pebble OS | - |
| Supported Host Device OS | Android 4.3 (Jelly Bean) or later, iOS 8.0 or later | Android 8.0 (Oreo) or later, iOS 14 or later |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | - | Speaker |
| Width | - | 40.5 mm |
| Height | - | 40.5 mm |
| Depth | 9.8 mm | 12.3 mm |
| Body Material | Polycarbonate | Aluminium |
| Protection | Waterproof | Water-resistant |
| Colours | White | Charcoal/flame | Charcoal/lime | White aqua | - |
| Clock Display | Yes | Yes |
| FEATURES | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Sensors | Ambient light sensor, heart rate, 3-axis accelerometer | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor, vibration motor, multipurpose electrical sensor |
|---|---|---|
| Tracking Data | Time, 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 |
| Features | Music remote handling, call alerts, app alerts | 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 | SMS | 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 | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Wireless Interface | Bluetooth 4.0 | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Type | E Ink - monochrome | Colour |
|---|---|---|
| Screen Protection | Scratch-resistant glass | - |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Type | - | Touch sensitive screen, push button |
|---|
| CASE | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Case Shape | - | Square |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | Black | Black/flame | Platinum aluminum |
| BAND | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | - | S |
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | - | 129-175 mm |
| Changeable | - | Yes |
| Clasp Type | - | Pin-and-tuck |
| Band Material | Silicone | - |
| Band Colour | Black | White | Lunar white |
| BATTERY | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Technology | - | Lithium polymer |
|---|---|---|
| Battery Life | 7 day(s) | 6 day(s) |
| Battery Life Details | - | GPS mode - up to 5 hour(s) |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | Pebble 2 + Heart Rate | Fitbit Sense 2 |
|---|
| Included Accessories | Magnetic charging cable | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | Silent alarm | Alarm, FitBit Pay |
| Max Depth of Water Resistance | 30 m | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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