Fitbit Flex 2 vs. Fitbit One vs. Garmin 645 Music vs. Jawbone UP4 vs. Apple Series 6

 
Flex 2
One
645 Music
UP4
Series 6
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$100$450$200$399
Release20162012201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days7 daysNANot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NA384 x 480
Sizen/an/a1.2 inchesNA40mm
Touchn/aNA
TypeLEDOLEDMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMSplast Resistant5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
MusicNA

All Wearables