Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Fitbit Charge 3

 
Flex 2
Ionic
Forerunner 935
ZenWatch
Charge 3
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$100$299$500$150$150
Release20162017201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ daysUp to 2 weeksNA7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250240 x 240320 x 32066 x 18
Sizen/a1.421.2 inches1.63 inches.721 inches
Touchn/a
TypeLEDOLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSAndroid WearNA
Apps
Music

All Wearables