Fitbit One vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Polar A370 vs. Polar Loop

 
One
WSD-F20A
Access Sofie
A370
Loop
 FitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$399$395$179.95$100
Release20122018201720172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day1 dayUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320390 x 390 1.19 inches160 x 80NA
Sizen/a1.32 inches1.18 inchesNA
TouchAMOLDED
TypeOLEDLCDTFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATMWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables