Polar Loop 2 vs. Michael Kors Access Sofie vs. Fitbit Alta HR vs. Fitbit Charge vs. Amazfit Verge

 
Loop 2
Access Sofie
Alta HR
Charge
Verge
 PolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowAmazfitVergeRemove Buy Now

Basic Info

Suggested Price$120$395$150$130$160
Release20152017201720142019

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day7 days7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a390 x 390 1.19 inches128 x 36NA454x454
Sizen/a1.4 inchesNA1.39 inches
TouchAMOLDEDNA
TypeLEDOLEDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAAMAZFIT OS
Apps
Music

All Wearables