Fitbit Alta vs. Polar Loop 2 vs. Garmin 645 Music vs. Apple Watch Ultra

 
Alta
Loop 2
645 Music
Watch Ultra
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$120$450$799
Release2016201520182022

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)7 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240502x410 pixels
Sizen/an/a1.2 inches1.92 inches
Touchn/a
TypeOLEDLEDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatchOS 9
Apps
Music

All Wearables