Fitbit Flex 2 vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Pebble Core vs. Amazfit T-Rex

 
Flex 2
Loop 2
G-Shock GBA800
Core
T-Rex
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$120$120$99$140
Release20162015201820162019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)2 yearsNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA360 x 360
Sizen/an/aNA1.3 inches
Touchn/aNA
TypeLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM20 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables