Polar Loop 2 vs. Fitbit Alta HR vs. Jawbone UP Move vs. Michael Kors Access Runway vs. Amazfit T-Rex

 
Loop 2
Alta HR
UP Move
Access Runway
T-Rex
 PolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowJawboneUP MoveRemove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$150$50$350$140
Release20152017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)7 days6 months1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a128 x 36NA390 x 390360 x 360
Sizen/a1.4 inchesNA1.19 inches1.3 inches
TouchNA
TypeLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMSplash Resistant3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSBuild-in
Apps
Music

All Wearables