Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Fitbit Alta HR vs. Jawbone UP3 vs. Jawbone UP4

 
Flex 2
Access Sofie
Alta HR
UP3
UP4
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowJawboneUP3Remove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$100$395$150$180$200
Release20162017201720132015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days7 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inches128 x 36NANA
Sizen/a1.4 inchesNANA
Touchn/aAMOLDEDNANA
TypeLEDOLEDNANA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNANA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
MusicNANA

All Wearables