Fitbit Flex 2 vs. Polar Loop 2 vs. Fitbit Flex vs. Pebble Core vs. Amazfit GTS

 
Flex 2
Loop 2
Flex
Core
GTS
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$120$100$99$150
Release20162015201320162019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)5 daysNA14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA348 x 442
Sizen/an/aNANA1.65 inches
Touchn/aNANA
TypeLEDLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANAWear OS
Apps
Music

All Wearables