Pebble Time vs. Polar M400 vs. Michael Kors Grayson vs. Jawbone UP2 vs. Michael Kors Grayson vs. HTC re Grip

 
Time
M400
Grayson
UP2
Grayson
re Grip
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP2Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$200$350$100$350$199
Release201520142018201520182020

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days24 hours7 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a453 x 454NA453x454160 x 32
Size1.26 inchesn/a1.39 inchesNA1.39 inches1.8 inches
TouchNA
Typee-papern/aAMOLEDNAAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM1 ATMSplash resistant1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid WearNA
Apps
Music

All Wearables