TomTom Spark vs. Fitbit Ionic vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
Spark
Ionic
WSD-F20A
Grayson
Flex
Grayson
 TomTomSparkRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$299$399$350$100$350
Release201520172018201820132018

Activity & Fitness

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

Battery

Durationn/a4+ days1 day24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250320 x 320453 x 454NA453x454
Sizen/a1.421.32 inches1.39 inchesNA1.39 inches
TouchNA
TypeLCDOLEDLCDAMOLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables