Polar M400 vs. Michael Kors Access Sofie vs. Samsung Gear 2 vs. Fitbit Alta HR vs. Polar Loop

 
M400
Access Sofie
Gear 2
Alta HR
Loop
 PolarM400Remove Buy NowMichael KorsAccess SofieRemove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$395$300$150$100
Release20142017201420172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day2-3 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a390 x 390 1.19 inches320 x 320128 x 36NA
Sizen/a1.63 inches1.4 inchesNA
TouchAMOLDED
Typen/aSuper AMOLEDOLEDLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMIP672 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Tizen OSNA
Apps
Music

All Wearables