Polar Loop 2 vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Microsoft Band

 
Loop 2
WSD-F20A
Access Sofie
Flex
Band
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowMicrosoftBandRemove Buy Now

Basic Info

Suggested Price$120$399$395$100$200
Release20152018201720132014

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day1 day5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320390 x 390 1.19 inchesNA320 x 106
Sizen/a1.32 inchesNA1.37 inches
TouchAMOLDEDNA
TypeLEDLCDLEDCapacitative TFT

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM1 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NANA
Apps
Music

Wearables by Microsoft

Microsoft Band 2

All Wearables