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

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

Basic Info

Suggested Price$150$100$269$229$349
Release20162016201620172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours48 hours18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312400 x 400340 x 272 or 390 x 312
Sizen/an/a1.5 inches or 1.65 inches1.39 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATMIPX7

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid Wear 2Watch OS
Apps
Music

All Wearables