Fitbit Flex 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple SE (2022)

 
Flex 2
Grayson
Alta HR
Grayson
T-Rex
SE (2022)
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$100$350$150$350$140$249
Release201620182017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days24 hours20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolutionn/a453 x 454128 x 36453x454360 x 36040mm
Sizen/a1.39 inches1.4 inches1.39 inches1.3 inches
Touchn/aLTPO OLED Retina
TypeLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables