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

 
One
Loop 2
Access Sofie
Flex
Core
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$120$395$100$99
Release20122015201720132016

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)1 day5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a390 x 390 1.19 inchesNANA
Sizen/an/aNANA
TouchAMOLDEDNANA
TypeOLEDLEDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM1 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2.0NANA
Apps
Music

All Wearables