Side by side comparison and review of Apple Watch Series 1 and Fitbit Sense. 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 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 3 | - |
| Supported Host Device OS | iOS 10 or later | Android 7.0 (Nougat) or later, iOS 12.2 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 33.3 mm | 40.38 mm |
| Height | 38.6 mm | 40.38 mm |
| Depth | 10.5 mm | 12.45 mm |
| Weight | 25 g | - |
| Body Material | Aluminium | Stainless steel, aluminium |
| Protection | Splashproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 1 | Fitbit Sense |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate | Ambient light sensor, altimeter, gyro sensor, 3-axis accelerometer, temperature, optical heart sensor, electrodermal activity (EDA) sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, 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 | Call handling, Retina Display technology | 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 | Apple Watch Series 1 | Fitbit Sense |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 4.0 | IEEE 802.11b/g/n, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Apple Watch Series 1 | Fitbit Sense |
|---|
| Type | OLED - colour | AMOLED - colour |
|---|---|---|
| Resolution | 272 x 340 pixels | - |
| Screen Protection | Ion-X glass | Corning Gorilla Glass 3 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch Series 1 | Fitbit Sense |
|---|
| Type | Touch sensitive screen (Force Touch) | Touch sensitive screen |
|---|
| CASE | Apple Watch Series 1 | Fitbit Sense |
|---|
| Case Size | 38 mm | - |
|---|---|---|
| Case Shape | - | Square |
| Case Back | Composite back | - |
| Case Details | Silver aluminium | Rose gold aluminium | Gold aluminium | Space grey aluminium | Silver stainless steel | Graphite stainless steel | Soft gold stainless steel |
| Crown Type | Digital | - |
| BAND | Apple Watch Series 1 | Fitbit Sense |
|---|
| Band Type | Sport band | Band |
|---|---|---|
| Band Size | S/M/L | S/L |
| Fits Wrist with Circumference | 130-200 mm | 140-220 mm |
| Changeable | - | Yes |
| Clasp Type | Pin-and-tuck | Buckle |
| Band Material | Fluoroelastomer | Silicone |
| Band Colour | White | Pink sand | Concrete | Black | Midnight blue | Sage grey | Carbon | Lunar white |
| CPU | Apple Watch Series 1 | Fitbit Sense |
|---|
| Manufacturer | Apple | - |
|---|---|---|
| CPU Type | S1P | - |
| BATTERY | Apple Watch Series 1 | Fitbit Sense |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Life | 18 hours | 6 day(s) |
| Battery Life Details | - | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Apple Watch Series 1 | Fitbit Sense |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Charging cable, 2 wristbands (S+L) |
|---|---|---|
| Preloaded Software | Siri | 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 |
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