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

 
Flex 2
645 Music
Charge
UP3
UP4
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowJawboneUP3Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$100$450$130$180$200
Release20162018201420132015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days7-10 days7 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NANANA
Sizen/a1.2 inchesNANANA
Touchn/aNANANA
TypeLEDMIPOLEDNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNANA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
MusicNANA

All Wearables