Fitbit Flex 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Jawbone UP4 vs. Jaybird Reign vs. Michael Kors Grayson

 
Flex 2
Ionic
Grayson
UP4
Reign
Grayson
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$299$350$200$150$350
Release201620172018201520152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hoursNA5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250453 x 454NANA453x454
Sizen/a1.421.39 inchesNANA1.39 inches
Touchn/aNANA
TypeLEDOLEDAMOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMNANA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables