Fitbit Flex 2 vs. Apple Watch Series 2 vs. Amazfit Cor vs. Pebble Core vs. Polar Loop

 
Flex 2
Watch Series 2
Cor
Core
Loop
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$269$79.99$99$100
Release20162016201820162013

Activity & Fitness

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

Battery

Duration5 days18 hours12 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 31280 x 160NANA
Sizen/a1.5 inches or 1.65 inches1.23 inchesNANA
Touchn/aNA
TypeLEDAMOLEDIPS LCDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM5 ATMNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSNANA
Apps
Music

All Wearables