Pebble Time vs. Polar M400 vs. TomTom Touch vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
Time
M400
Touch
Grayson
Flex
Grayson
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowTomTomTouchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$200$130$350$100$350
Release201520142016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 hours to 30 days5 days24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a453 x 454NA453x454
Size1.26 inchesn/a0.91 inches1.39 inchesNA1.39 inches
TouchNA
Typee-papern/an/aAMOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX71 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables