Pebble Classic vs. Polar M400 vs. Fitbit Alta vs. Asus ZenWatch vs. Apple Watch Ultra

 
Classic
M400
Alta
ZenWatch
Watch Ultra
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$99$200$130$150$799
Release20132014201620142022

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days5 daysNA36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a320 x 320502x410 pixels
Size1.26 inchesn/an/a1.63 inches1.92 inches
Touchn/a
Typee-papern/aOLEDAMOLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/aIP5510 ATM (100 Meters)

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating SystemPebble OSn/an/aAndroid WearWatchOS 9
Apps
Music

All Wearables