Fitbit One vs. Fitbit Versa vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Fitbit Flex

 
One
Versa
645 Music
Charge 3
Flex
 FitbitOneRemove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$199.99$450$150$100
Release20122018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a300 x300240 x 24066 x 18NA
Sizen/a1.34 inches1.2 inches.721 inchesNA
TouchNA
TypeOLEDOLEDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables