Fitbit Flex 2 vs. Fitbit One vs. Garmin Vivosmart HR vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Flex 2
One
Vivosmart HR
Stratos
Grayson
Grayson
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$100$170$199$350$350
Release201620122015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days5 days5 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 68320 x 300453 x 454453x454
Sizen/an/a1.08 inches1.34 inches1.39 inches1.39 inches
Touchn/a
TypeLEDOLEDn/aOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aProprietaryAndroid WearAndroid Wear
Apps
Music

All Wearables