Fitbit Flex 2 vs. Casio WSD-F20A vs. Jaybird Reign vs. Pebble Core vs. Polar Loop

 
Flex 2
WSD-F20A
Reign
Core
Loop
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowJaybirdReignRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$399$150$99$100
Release20162018201520162013

Activity & Fitness

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

Battery

Duration5 days1 day5 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NANANA
Sizen/a1.32 inchesNANANA
Touchn/aNANA
TypeLEDLCDLEDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNANA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSNANANA
Apps
Music

All Wearables