Fitbit Alta vs. Fitbit Ionic vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Versa 2 vs. Michael Kors Grayson

 
Alta
Ionic
WSD-F20A
Grayson
Versa 2
Grayson
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$299$399$350$199$350
Release201620172018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days1 day24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250320 x 320453 x 454300 x 300453x454
Sizen/a1.421.32 inches1.39 inches1.34 inches1.39 inches
Touchn/a
TypeOLEDOLEDLCDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSWear OSAndroid WearBuild-inAndroid Wear
Apps
Music

All Wearables