Fitbit Flex 2 vs. Asus ZenWatch vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Pebble Core

 
Flex 2
ZenWatch
Charge
Vivofit 4
Core
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$150$130$79.95$99
Release20162014201420182016

Activity & Fitness

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

Battery

Duration5 daysNA7-10 days1 yearNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA88 x 88NA
Sizen/a1.63 inchesNANANA
Touchn/aNANA
TypeLEDAMOLEDOLEDNANA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP551 ATM5 ATMNA

Notifications

PhoneNA
EmailsNANA
TextsNANA

Software

Operating Systemn/aAndroid WearNANA
Apps
Music

All Wearables