Withings Activite Sapphire vs. Fitbit Ionic vs. Casio WSD-F20A vs. Michael Kors Access Sofie vs. Fitbit Flex

 
Activite Sapphire
Ionic
WSD-F20A
Access Sofie
Flex
 WithingsActivite SapphireRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$450$299$399$395$100
Release20142017201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months4+ days1 day1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250320 x 320390 x 390 1.19 inchesNA
Size1.3 inches1.421.32 inchesNA
TouchAMOLDEDNA
TypeAnalogOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables