Fitbit Alta vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Michael Kors Access Sofie HR

 
Alta
Flex 2
WSD-F20A
On Full Guard
Access Sofie HR
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$100$399$325$395
Release20162016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day1 day2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320454 x 454390 x 390
Sizen/an/a1.32 inches1.4 inches1.19 inches
Touchn/an/a
TypeOLEDLEDLCDOMOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMIP670.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSAndroid Wear 2.0Wear OS
Apps
Music

All Wearables