Fitbit One vs. Garmin 645 Music vs. Fitbit Flex vs. Fitbit Inspire HR vs. Fitbit Sense 2

 
One
645 Music
Flex
Inspire HR
Sense 2
 FitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$450$100$99$300
Release20122018201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days7 days5 days5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA139 x 60336x336
Sizen/a1.2 inchesNA1.4 inches1.59 inches
TouchNA
TypeOLEDMIPLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAFitbit OS
Apps
Music

All Wearables