Withings Activite Sapphire vs. Fitbit Zip vs. Polar M430 vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Activite Sapphire
Zip
M430
Forerunner 235
Grayson
Grayson
 WithingsActivite SapphireRemove Buy NowFitbitZipRemove Buy NowPolarM430Remove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$450$60$255$299.99$350$350
Release201420122017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months6 months30 hours9 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128x128215 x 180453 x 454453x454
Size1.3 inchesn/a1.4 inch1.23 inches1.39 inches1.39 inches
Touch
TypeAnalogn/aLCDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash ResistantWR305 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables