Side by side comparison and review of Fitbit Ionic and Apple Watch Series 4 (GPS + Cellular). 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 | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 5 |
| Supported Host Device OS | iOS, Android, Windows Phone | iOS |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 38.6 mm | 34 mm |
| Height | 12.4 mm | 40 mm |
| Lenght | 256.5 mm | - |
| Depth | 12.4 mm | 10.7 mm |
| Weight | 50 g | 39.8 g |
| Body Material | Aerospace-grade aluminium | Stainless steel |
| Protection | Water-resistant | Waterproof |
| Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | - |
| Clock Display | - | Yes |
| FEATURES | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Sensors | Accelerometer, altimeter, heart rate | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time | Distance, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index |
| Goal Setting | Yes | Yes |
| Features | PurePulse heart rate technology, automatic exercise recognition, SmartTrack | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS |
| Notifications | Missed calls, calendar, SMS, social apps | Calendar, SMS, Email |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/QZSS receiver |
| Payment Technology | - | Apple Pay |
| IoT Intelligent Assistant | - | Siri |
| CELLULAR | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Technology | - | WCDMA (UMTS) / GSM |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| Messaging Services | - | SMS |
| Supported Mobile Messaging Services | - | SMS |
| CONNECTIVITY | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | IEEE 802.11b/g/n, Bluetooth 5.0 |
|---|
| DISPLAY | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Type | LCD - colour | LTPO OLED - colour |
|---|---|---|
| Resolution | - | 324 x 394 pixels |
| Screen Size | - | 1.57" |
| Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Sapphire glass |
| INPUT DEVICE | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Type | Touch sensitive screen | Touch sensitive screen (Force Touch) |
|---|
| CASE | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Silver grey aluminium | Stainless steel | Space grey aluminium | Space black stainless steel | Silver aluminium | Gold aluminium | Gold stainless steel |
| Crown Type | - | Digital with haptic feedback |
| BAND | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Band Type | Sport band | Milanese loop |
|---|---|---|
| Fits Wrist with Circumference | - | 130-180 mm |
| Clasp Type | - | Magnetic closure |
| Band Material | - | Steel mesh |
| Band Colour | Ink blue/ice grey | White | Black | Pink sand | Space black | Gold | Seashell | Stone |
| STORAGE | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Storage Capacity | - | 16 GB |
|---|
| CPU | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S4 |
| Features | - | W3 Apple wireless chip |
| BATTERY | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life | 4 day(s) | 18 hours |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Fitbit Ionic | Apple Watch Series 4 (GPS + Cellular) |
|---|
| Included Accessories | Charging cable, 2 wristbands (S+L) | Power adapter, magnetic charging cable |
|---|---|---|
| Preloaded Software | - | Apple Pay |
| SAR Value | - | 0.27 W/kg (head), 0.26 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Warranty | 1-year warranty | - |
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