Fitbit Alta vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
Alta
Watch Series 2
ZenWatch 3
Grayson
Flex
Grayson
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$269$229$350$100$350
Release201620162017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400453 x 454NA453x454
Sizen/a1.5 inches or 1.65 inches1.39 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeOLEDAMOLEDAMOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Android WearNAAndroid Wear
Apps
Music

All Wearables