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

 
Alta
Loop 2
Access Sofie
Charge
Verge
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitChargeRemove Buy NowAmazfitVergeRemove Buy Now

Basic Info

Suggested Price$130$120$395$130$160
Release20162015201720142019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)1 day7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a390 x 390 1.19 inchesNA454x454
Sizen/an/aNA1.39 inches
Touchn/aAMOLDEDNA
TypeOLEDLEDOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM1 ATM1 ATMIP68

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NAAMAZFIT OS
Apps
Music

All Wearables