Fitbit One vs. Michael Kors Grayson vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Fitbit Sense 2

 
One
Grayson
Flex
Forerunner 45
Grayson
Sense 2
 FitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$350$100$199$350$300
Release201220182013201920182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days24 hours5 days7 days24 hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA208 x 208453x454336x336
Sizen/a1.39 inchesNA1.04 inches1.39 inches1.59 inches
TouchNA
TypeOLEDAMOLEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNABuilt-inAndroid Wear
Apps
Music

All Wearables