Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Alta
Charge 2
Watch Series 2
Grayson
Access Sofie HR
Grayson
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$150$269$350$395$350
Release201620162016201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours24 hours2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312453 x 454390 x 390453x454
Sizen/an/a1.5 inches or 1.65 inches1.39 inches1.19 inches1.39 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5ATM1 ATM0.3 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables