Fitbit Charge 2 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Apple Watch vs. Asus ZenWatch

 
Charge 2
Flex 2
ZenWatch 3
Watch
ZenWatch
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy Now

Basic Info

Suggested Price$150$100$229$349$150
Release20162016201720152014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours18 hoursNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400340 x 272 or 390 x 312320 x 320
Sizen/an/a1.39 inches1.5 inches or 1.65 inches1.63 inches
Touchn/an/a
TypeOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX7IP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2Watch OSAndroid Wear
Apps
Music

All Wearables