Fitbit Ionic vs. Polar M430 vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core

 
Ionic
M430
WSD-F20A
Flex
Core
 FitbitIonicRemove Buy NowPolarM430Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$299$255$399$100$99
Release20172017201820132016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration4+ days30 hours1 day5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128x128320 x 320NANA
Size1.421.4 inch1.32 inchesNANA
TouchNANA
TypeOLEDLCDLCDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mWR305 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSWear OSNANA
Apps
Music

All Wearables