Fitbit Flex 2 vs. Fitbit Zip vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Polar Loop

 
Flex 2
Zip
Access Sofie
Flex
Loop
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$60$395$100$100
Release20162012201720132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a390 x 390 1.19 inchesNANA
Sizen/an/aNANA
Touchn/aAMOLDEDNA
TypeLEDn/aLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NANA
Apps
Music

All Wearables