Fitbit One vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
One
WSD-F20A
Alta HR
Flex
On Full Guard 2.5
 FitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$100$399$150$100$325
Release20122018201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days1 day7 days5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320128 x 36NA454x454
Sizen/a1.32 inches1.4 inchesNA1.39 inches
TouchNA
TypeOLEDLCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables