Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core vs. Polar A370

 
Ionic
WSD-F20A
Flex
Core
A370
 FitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$299$399$100$99$179.95
Release20172018201320162017

Activity & Fitness

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

Battery

Duration4+ days1 day5 daysNAUp to 3 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320NANA160 x 80
Size1.421.32 inchesNANA1.18 inches
TouchNANA
TypeOLEDLCDLEDNATFT LCD

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATMNAWR30

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemFitbit OSWear OSNANA
Apps
Music

All Wearables