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

 
Flex
Core
Loop
Versa 2
Access Sofie HR
 FitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$99$100$199$395
Release20132016201320192019

Activity & Fitness

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

Battery

Duration5 daysNA5 days5 days2 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANANA300 x 300390 x 390
SizeNANANA1.34 inches1.19 inches
TouchNANA
TypeLEDNALEDAMOLEDOMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNA2 ATM5 ATM0.3 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNANANABuild-inWear OS
Apps
Music

All Wearables