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

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

Basic Info

Suggested Price$100$229$299$99$100
Release20162017201720162013

Activity & Fitness

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

Battery

Duration5 days48 hours4+ daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400348x250NANA
Sizen/a1.39 inches1.42NANA
Touchn/aNA
TypeLEDAMOLEDOLEDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mNA2 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Fitbit OSNANA
Apps
Music

All Wearables