Fitbit Alta vs. Asus ZenWatch vs. Fitbit Charge vs. Fitbit Versa 2 vs. Apple Series 6

 
Alta
ZenWatch
Charge
Versa 2
Series 6
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitVersa 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$150$130$199$399
Release20162014201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7-10 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA300 x 300384 x 480
Sizen/a1.63 inchesNA1.34 inches40mm
Touchn/aNA
TypeOLEDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aIP551 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNABuild-inWatchOS 5
Apps
Music

All Wearables