Fitbit Charge 2 vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Jawbone UP3 vs. Jawbone UP4

 
Charge 2
Flex 2
645 Music
UP3
UP4
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP3Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$150$100$450$180$200
Release20162016201820132015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days7 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NANA
Sizen/an/a1.2 inchesNANA
Touchn/an/aNANA
TypeOLEDLEDMIPNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMNANA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
MusicNANA

All Wearables