Fitbit Flex 2 vs. Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Michael Kors Access Sofie HR

 
Flex 2
Flex
Core
Loop
Access Sofie HR
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$100$99$100$395
Release20162013201620132019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days5 daysNA5 days2 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANANA390 x 390
Sizen/aNANANA1.19 inches
Touchn/aNANA
TypeLEDLEDNALEDOMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA2 ATM0.3 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANANAWear OS
Apps
Music

All Wearables