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

 
Watch Series 3
ZenWatch 2
Alta HR
Charge
Watch 7
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$329$150$150$130$429
Release20172016201720142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a7 days7-10 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320128 x 36NA396 x 484
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inch1.4 inchesNA1.9 inches
TouchNA
TypeAMOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4Android WearNAWatchOS 8
Apps
Music

All Wearables