Fitbit Flex 2 vs. Amazfit Arc vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Charge HR

 
Flex 2
Arc
WSD-F20A
Access Sofie
Charge HR
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$69.99$399$395$150
Release20162016201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days1 day1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40320 x 320390 x 390 1.19 inchesNA
Sizen/a0.42 inches1.32 inchesNA
Touchn/aAMOLDEDNA
TypeLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables