Fitbit Flex 2 vs. Polar A360 vs. Amazfit Stratos vs. Garmin 645 Music vs. Pebble Core

 
Flex 2
A360
Stratos
645 Music
Core
 FitbitFlex 2Remove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$200$199$450$99
Release20162015201820182016

Activity & Fitness

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

Battery

Duration5 days12 days5 days7 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 80320 x 300240 x 240NA
Sizen/a1.18 inches1.34 inches1.2 inchesNA
Touchn/aNA
TypeLEDn/aOLEDMIPNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aProprietaryNA
Apps
Music

All Wearables