Garmin Vivosmart vs. Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch Ultra

 
Vivosmart
Ionic
645 Music
Alta HR
Watch Ultra
 GarminVivosmartRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$170$299$450$150$799
Release20142017201820172022

Activity & Fitness

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

Battery

Duration7 days4+ days7 days7 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 16348x250240 x 240128 x 36502x410 pixels
Size1.41 inches1.421.2 inches1.4 inches1.92 inches
Touch
TypeOLEDOLEDMIPOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWatchOS 9
Apps
Music

All Wearables