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

 
Alta
One
645 Music
Charge 3
Flex
 FitbitAltaRemove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$100$450$150$100
Release20162012201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a240 x 24066 x 18NA
Sizen/an/a1.2 inches.721 inchesNA
Touchn/aNA
TypeOLEDOLEDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables