Fitbit Alta vs. Polar Loop 2 vs. Asus ZenWatch vs. Fitbit Flex vs. Fitbit Versa 2

 
Alta
Loop 2
ZenWatch
Flex
Versa 2
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$130$120$150$100$199
Release20162015201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)NA5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA300 x 300
Sizen/an/a1.63 inchesNA1.34 inches
Touchn/aNA
TypeOLEDLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIP551 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNABuild-in
Apps
Music

All Wearables