Fitbit Alta vs. Polar A360 vs. Michael Kors Access Sofie vs. Amazfit GTR

 
Alta
A360
Access Sofie
GTR
 FitbitAltaRemove Buy NowPolarA360Remove Buy NowMichael KorsAccess SofieRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$200$395$199
Release2016201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80390 x 390 1.19 inches454 x 454
Sizen/a1.18 inches1.39 inches
Touchn/aAMOLDED
TypeOLEDn/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aWR301 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables