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

 
WSD-F20A
Time 2
Flex
Core
Loop
 CasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$399$199$100$99$100
Release20182016201320162013

Activity & Fitness

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

Battery

Duration1 day10 days5 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANANANA
Size1.32 inchesNANANANA
TouchNANA
TypeLCDe-paperLEDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM1 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSPebble OSNANANA
Apps
Music

All Wearables