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

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

Basic Info

Suggested Price$130$269$229$150$429
Release20162016201720142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hoursNA18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400320 x 320396 x 484
Sizen/a1.5 inches or 1.65 inches1.39 inches1.63 inches1.9 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP55water resistant but not waterproof

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid Wear 2Android WearWatchOS 8
Apps
Music

All Wearables