Fitbit Flex 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Pebble Core

 
Flex 2
Loop 2
ZenWatch 3
Ionic
Core
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$120$229$299$99
Release20162015201720172016

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)48 hours4+ daysNA
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400348x250NA
Sizen/an/a1.39 inches1.42NA
Touchn/aNA
TypeLEDLEDAMOLEDOLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50mNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OSNA
Apps
Music

All Wearables