Fitbit Surge vs. Fitbit Alta vs. Fitbit Charge 2 vs. Asus ZenWatch vs. Fitbit Flex

 
Surge
Alta
Charge 2
ZenWatch
Flex
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$130$150$150$100
Release20162016201620142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 320NA
Size1.26 inchesn/an/a1.63 inchesNA
Touchn/an/aNA
TypeMonochrome LCDOLEDOLEDAMOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/an/aIP551 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/an/aAndroid WearNA
Apps
Music

All Wearables