Polar Loop 2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Pebble Core

 
Loop 2
WSD-F20A
Forerunner 235
Flex
Core
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$399$299.99$100$99
Release20152018201720132016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 days (without notifications)1 day9 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180NANA
Sizen/a1.32 inches1.23 inchesNANA
TouchNANA
TypeLEDLCDMIPLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables