Fitbit Alta vs. Fitbit Zip vs. Michael Kors Grayson vs. Fitbit Charge vs. Fitbit Flex vs. Michael Kors Grayson

 
Alta
Zip
Grayson
Charge
Flex
Grayson
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$60$350$130$100$350
Release201620122018201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months24 hours7-10 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454NANA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
Touchn/aNANA
TypeOLEDn/aAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant1 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables