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

 
Flex 2
Access Sofie
Alta HR
Loop
SmartBand
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$100$395$150$100$100
Release20162017201720132014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a390 x 390 1.19 inches128 x 36NANA
Sizen/a1.4 inchesNANA
Touchn/aAMOLDEDNA
TypeLEDOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM2 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
Music

All Wearables