Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Time 2 vs. Pebble Core vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Flex 2
Grayson
Time 2
Core
Grayson
T-Rex
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$199$99$350$140
Release201620182016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days24 hours10 daysNA24 hours20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NANA453x454360 x 360
Sizen/a1.39 inchesNANA1.39 inches1.3 inches
Touchn/aNA
TypeLEDAMOLEDe-paperNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM3 ATMNA1 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearPebble OSNAAndroid WearBuild-in
Apps
Music

All Wearables