Fitbit Alta vs. Asus ZenWatch vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Jawbone UP4

 
Alta
ZenWatch
Access Sofie
Flex
UP4
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$130$150$395$100$200
Release20162014201720132015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day5 daysNA
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320390 x 390 1.19 inchesNANA
Sizen/a1.63 inchesNANA
Touchn/aAMOLDEDNANA
TypeOLEDAMOLEDLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATM1 ATMNA

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0NANA
Apps
MusicNA

All Wearables