Fitbit One vs. Polar A360 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Charge 3

 
One
A360
Ionic
WSD-F20A
Charge 3
 FitbitOneRemove Buy NowPolarA360Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$200$299$399$150
Release20122015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days12 days4+ days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a160 x 80348x250320 x 32066 x 18
Sizen/a1.18 inches1.421.32 inches.721 inches
Touch
TypeOLEDn/aOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantWR3050m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWear OSNA
Apps
Music

All Wearables