Fitbit Flex 2 vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Flex 2
On Full Guard
Grayson
Grayson
Inspire HR
T-Rex
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$325$350$350$99$140
Release201620172018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day24 hours24 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x 454453 x 454453x454139 x 60360 x 360
Sizen/a1.4 inches1.39 inches1.39 inches1.4 inches1.3 inches
Touchn/a
TypeLEDOMOLEDAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Android WearAndroid WearFitbit OSBuild-in
Apps
Music

All Wearables