Fitbit Charge 2 vs. Fitbit Flex vs. Pebble Core vs. Polar A370 vs. Polar Loop

 
Charge 2
Flex
Core
A370
Loop
 FitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$100$99$179.95$100
Release20162013201620172013

Activity & Fitness

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

Battery

Duration5 days5 daysNAUp to 3 days5 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA160 x 80NA
Sizen/aNANA1.18 inchesNA
Touchn/aNANA
TypeOLEDLEDNATFT LCDLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATMNAWR302 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables