Fitbit One vs. Garmin 645 Music vs. Fitbit Alta HR vs. Fitbit Inspire HR vs. Apple Series 6

 
One
645 Music
Alta HR
Inspire HR
Series 6
 FitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$450$150$99$399
Release20122018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days7 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240128 x 36139 x 60384 x 480
Sizen/a1.2 inches1.4 inches1.4 inches40mm
Touch
TypeOLEDMIPOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplast Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWatchOS 5
Apps
Music

All Wearables