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

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

Basic Info

Suggested Price$100$100$99$100$150
Release20162013201620132019

Activity & Fitness

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

Battery

Duration5 days5 daysNA5 days14 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANANA348 x 442
Sizen/aNANANA1.65 inches
Touchn/aNANA
TypeLEDLEDNALEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA2 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANANAWear OS
Apps
Music

All Wearables