Fitbit Alta vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Fitbit Charge 3 vs. Apple Watch 7

 
Alta
Watch Series 2
ZenWatch
Charge 3
Watch 7
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$269$150$150$429
Release20162016201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 32066 x 18396 x 484
Sizen/a1.5 inches or 1.65 inches1.63 inches.721 inches1.9 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP555 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearNAWatchOS 8
Apps
Music

All Wearables