Fitbit Flex 2 vs. Polar Loop 2 vs. Pebble Core vs. Polar Loop vs. HTC re Grip

 
Flex 2
Loop 2
Core
Loop
re Grip
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$120$99$100$199
Release20162015201620132020

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)NA5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA160 x 32
Sizen/an/aNANA1.8 inches
Touchn/aNA
TypeLEDLEDNALEDPMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMNA2 ATMIP57

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables