Fitbit Alta vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Series 6

 
Alta
Ionic
Grayson
Grayson
re Grip
Series 6
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$299$350$350$199$399
Release201620172018201820202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hours24 hours5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454453x454160 x 32384 x 480
Sizen/a1.421.39 inches1.39 inches1.8 inches40mm
Touchn/a
TypeOLEDOLEDAMOLEDAMOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a50m1 ATM1 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSAndroid WearAndroid WearNAWatchOS 5
Apps
Music

All Wearables