Polar Loop 2 vs. Sony SmartBand 2 vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Fitbit Inspire HR

 
Loop 2
SmartBand 2
Access Sofie
Flex
Inspire HR
 PolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$120$130$395$100$99
Release20152015201720132019

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 days1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a390 x 390 1.19 inchesNA139 x 60
Sizen/an/aNA1.4 inches
Touchn/aAMOLDEDNA
TypeLEDn/aLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP581 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NAFitbit OS
Apps
Music

All Wearables