ASUS ZenWatch 2 vs. Pebble Classic vs. Polar M400 vs. Fitbit Charge 3 vs. Apple Watch 7

 
ZenWatch 2
Classic
M400
Charge 3
Watch 7
 ASUSZenWatch 2Remove Buy NowPebbleClassicRemove Buy NowPolarM400Remove Buy NowFitbitCharge 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$99$200$150$429
Release20162013201420182021

Activity & Fitness

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

Battery

Durationn/a5-7 days8 hours to 30 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320168 x 144n/a66 x 18396 x 484
Size1.63 inches or 1.45 inch1.26 inchesn/a.721 inches1.9 inches
Touch
TypeAMOLEDe-papern/aOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearPebble OSn/aNAWatchOS 8
Apps
Music

All Wearables