Fitbit Charge 2 vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Apple Watch vs. Asus ZenWatch

 
Charge 2
Flex 2
Watch Series 2
Watch
ZenWatch
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy Now

Basic Info

Suggested Price$150$100$269$349$150
Release20162016201620152014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours18 hoursNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 320
Sizen/an/a1.5 inches or 1.65 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 ATM5ATMIPX7IP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSWatch OSAndroid Wear
Apps
Music

All Wearables