Fitbit Surge vs. Fitbit Alta vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Flex

 
Surge
Alta
ZenWatch
Alta HR
Flex
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$130$150$150$100
Release20162016201420172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysNA7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320128 x 36NA
Size1.26 inchesn/a1.63 inches1.4 inchesNA
Touchn/aNA
TypeMonochrome LCDOLEDAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNA
Apps
Music

All Wearables