Detailed comparison and review of Fitbit Ionic and Apple Watch Series 4 (GPS). 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 | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Product Type | Smart watch | Smart watch |
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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 | 30.1 g |
Body Material | Aerospace-grade aluminium | Anodised aluminium |
Protection | Water-resistant | Water-resistant |
Colours | Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey | - |
Clock Display | - | Yes |
FEATURES | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Sensors | Accelerometer, altimeter, heart rate | Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical heart sensor |
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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 |
Internet of Things (IoT) Compatible | - | Yes |
IoT Intelligent Assistant | - | Siri |
CONNECTIVITY | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Wireless Interface | Bluetooth, IEEE 802.11b/g/n, NFC | IEEE 802.11b/g/n, Bluetooth 5.0 |
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DISPLAY | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Type | LCD - colour | LTPO OLED - colour |
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Resolution | - | 324 x 394 pixels |
Screen Protection | Corning Gorilla Glass 3 (scratch resistant glass) | Ion-X glass |
INPUT DEVICE | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Type | Touch sensitive screen | Touch sensitive screen (Force Touch) |
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CASE | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Case Size | - | 40 mm |
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Case Back | - | All ceramic and sapphire crystal back |
Case Details | Silver grey aluminium | Silver aluminium | Space grey aluminium | Gold aluminium |
Crown Type | - | Digital with haptic feedback |
BAND | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Band Type | Sport band | Sport band |
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Fits Wrist with Circumference | - | 130-200 mm |
Clasp Type | - | Pin-and-tuck |
Band Material | - | Fluoroelastomer |
Band Colour | Ink blue/ice grey | White | Seashell | Black | Pink sand |
STORAGE | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Storage Capacity | - | 16 GB |
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CPU | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Manufacturer | - | Apple |
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CPU Type | - | S4 |
Features | - | W3 Apple wireless chip |
BATTERY | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Technology | - | Lithium Ion |
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Battery Life | 4 day(s) | 18 hours |
MISCELLANEOUS | Fitbit Ionic | Apple Watch Series 4 (GPS) |
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Included Accessories | Charging cable, 2 wristbands (S+L) | Power adapter, magnetic charging cable |
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Max Depth of Water Resistance | 50 m | 50 m |
Warranty | 1-year warranty | - |