Pebble Classic vs. Polar M400 vs. Fitbit Alta vs. Garmin Forerunner 45 vs. Apple Watch Ultra

 
Classic
M400
Alta
Forerunner 45
Watch Ultra
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$99$200$130$199$799
Release20132014201620192022

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days5 days7 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a208 x 208502x410 pixels
Size1.26 inchesn/an/a1.04 inches1.92 inches
Touchn/a
Typee-papern/aOLEDLCD

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aBuilt-inWatchOS 9
Apps
Music

All Wearables