Fitbit Flex 2 vs. Polar A360 vs. Jawbone UP4 vs. Garmin Forerunner 45 vs. Michael Kors Access Sofie HR

 
Flex 2
A360
UP4
Forerunner 45
Access Sofie HR
 FitbitFlex 2Remove Buy NowPolarA360Remove Buy NowJawboneUP4Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$200$200$199$395
Release20162015201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 daysNA7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 80NA208 x 208390 x 390
Sizen/a1.18 inchesNA1.04 inches1.19 inches
Touchn/aNA
TypeLEDn/aNALCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR30NA5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuilt-inWear OS
Apps
MusicNA

All Wearables