Fitbit Flex 2 vs. Fitbit Alta HR vs. Jawbone UP24 vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Flex 2
Alta HR
UP24
Access Sofie HR
T-Rex
 FitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowJawboneUP24Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$150$130$395$140
Release20162017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days14 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 36NA390 x 390360 x 360
Sizen/a1.4 inchesNA1.19 inches1.3 inches
Touchn/aNA
TypeLEDOLEDNAOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSBuild-in
Apps
Music

All Wearables