Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson

 
Flex 2
Stratos
Forerunner 235
Grayson
Alta HR
Grayson
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$199$299.99$350$150$350
Release201620182017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days9 days24 hours7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300215 x 180453 x 454128 x 36453x454
Sizen/a1.34 inches1.23 inches1.39 inches1.4 inches1.39 inches
Touchn/a
TypeLEDOLEDMIPAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearAndroid Wear
Apps
Music

All Wearables