Side by side comparison and review of Apple Watch Series 1 and Fitbit Sense 2. Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 3 | - |
| Supported Host Device OS | iOS 10 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 | Speaker |
| Width | 33.3 mm | 40.5 mm |
| Height | 38.6 mm | 40.5 mm |
| Depth | 10.5 mm | 12.3 mm |
| Weight | 25 g | - |
| Body Material | Aluminium | Aluminium |
| Protection | Splashproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate | 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, time, calories burned, 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 | Call handling, Retina Display technology | 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 | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Type | OLED - colour | Colour |
|---|---|---|
| Resolution | 272 x 340 pixels | - |
| Screen Protection | Ion-X glass | - |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen, push button |
|---|
| CASE | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Case Size | 38 mm | - |
|---|---|---|
| Case Shape | - | Square |
| Case Back | Composite back | Aluminium |
| Case Details | Silver aluminium | Rose gold aluminium | Gold aluminium | Space grey aluminium | Platinum aluminum |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Size | S/M/L | S |
| Fits Wrist with Circumference | 130-200 mm | 129-175 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Pin-and-tuck |
| Band Material | Fluoroelastomer | - |
| Band Colour | White | Pink sand | Concrete | Black | Midnight blue | Lunar white |
| CPU | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S1P | - |
| BATTERY | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Life | 18 hours | 6 day(s) |
| Battery Life Details | - | GPS mode - up to 5 hour(s) |
| Recharge Time | - | 2 hours |
| MISCELLANEOUS | Apple Watch Series 1 | Fitbit Sense 2 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging cable, 6-month Fitbit Premium membership, wristband (158 - 209 mm) |
|---|---|---|
| Preloaded Software | Siri | Alarm, FitBit Pay |
| SAR Value | 0.041 W/kg (head), 0.018 W/kg (limb) | - |
| Max Depth of Water Resistance | - | 50 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -10 °C |
| Warranty | - | 2-year warranty |
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