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

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

Basic Info

Suggested Price$150$100$269$299$150
Release20162016201620172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours4+ daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312348x250320 x 320
Sizen/an/a1.5 inches or 1.65 inches1.421.63 inches
Touchn/an/a
TypeOLEDLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATM50mIP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSFitbit OSAndroid Wear
Apps
Music

All Wearables