Fitbit Ionic vs. Polar Unite

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Fitbit Ionic and Polar Unite. 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.

Smartwatch Specifications Comparison

Fitbit Ionic vs. Polar Unite Comparison Chart
GENERAL Fitbit Ionic Polar Unite
Product Type Smart watch Sport watch
Supported Host Device OS iOS, Android, Windows Phone iOS, Android
Wearing Style Watch style Watch style
Width 38.6 mm 43.4 mm
Height 12.4 mm 43.4 mm
Lenght 256.5 mm -
Depth 12.4 mm 10.4 mm
Weight 50 g 32 g
Body Material Aerospace-grade aluminium Fibreglass reinforced polymer
Protection Water-resistant Water-resistant
Colours Charcoal, smoke grey | Burnt orange, slate blue | Blue grey, silver grey -
Clock Display - Yes
FEATURES Fitbit Ionic Polar Unite
Sensors Accelerometer, altimeter, heart rate Accelerometer, ambient light sensor, optical heart sensor
Tracking Data Distance, calories burned, activity, sleep activity, heart rate, steps taken, floors climbed, pace, sleep stages, swim laps, active time Distance, calories burned, activity, sleep activity, heart rate, steps taken
Goal Setting Yes Yes
Features PurePulse heart rate technology, automatic exercise recognition, SmartTrack Fitness test, Bluetooth Smart technology, inactivity alert, GPS via mobile, guided breathing session, Nightly Recharge recovery measurement, FitSpark training guide
Notifications Missed calls, calendar, SMS, social apps Calendar, SMS, Email
Vibrating Alert Yes Yes
CONNECTIVITY Fitbit Ionic Polar Unite
Wireless Interface Bluetooth, IEEE 802.11b/g/n, NFC Bluetooth
Connectors - USB
DISPLAY Fitbit Ionic Polar Unite
Type LCD - colour IPS - colour
Resolution - 240 x 204 pixels
Screen Protection Corning Gorilla Glass 3 (scratch resistant glass) -
INPUT DEVICE Fitbit Ionic Polar Unite
Type Touch sensitive screen Touch sensitive screen
CASE Fitbit Ionic Polar Unite
Case Shape - Round
Case Details Silver grey aluminium -
BAND Fitbit Ionic Polar Unite
Band Type Sport band Band
Band Size - S/L
Band Width - 20 mm
Fits Wrist with Circumference - 130-210 mm
Changeable - Yes
Clasp Type - Snap & slip
Band Material - Silicone
Band Colour Ink blue/ice grey Black | Blue | Pink | White
BATTERY Fitbit Ionic Polar Unite
Technology - Lithium polymer
Capacity - 174 mAh
Battery Life 4 day(s) -
Battery Life Details - Watch mode + HR - up to 4 days
Training mode + HR - up to 50 hour(s)
Rechargeable Battery - Yes
MISCELLANEOUS Fitbit Ionic Polar Unite
Included Accessories Charging cable, 2 wristbands (S+L) Charging/data cable
Preloaded Software - Polar Fitness Test, Polar Flow
Max Depth of Water Resistance 50 m 30 m
Max Operating Temperature - 50 °C
Min Operating Temperature - -10 °C
Warranty 1-year warranty 2-year warranty
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