TomTom Spark vs. Polar Loop 2 vs. Fitbit Ionic vs. Fitbit Versa vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Spark
Loop 2
Ionic
Versa
Grayson
Grayson
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$120$299$199.99$350$350
Release201520152017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 days (without notifications)4+ days4 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250300 x300453 x 454453x454
Sizen/an/a1.421.34 inches1.39 inches1.39 inches
Touch
TypeLCDLEDOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50m5 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid Wear
Apps
Music

All Wearables