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

 
Flex 2
Loop 2
Watch Series 2
Core
GTS
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowPebbleCoreRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$120$269$99$150
Release20162015201620162019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)18 hoursNA14 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/a340 x 272 or 390 x 312NA348 x 442
Sizen/an/a1.5 inches or 1.65 inchesNA1.65 inches
Touchn/aNA
TypeLEDLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSNAWear OS
Apps
Music

All Wearables