Pebble Time Steel vs. Fitbit Ionic vs. Asus VivoWatch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Time Steel
Ionic
VivoWatch
Grayson
Grayson
T-Rex
 PebbleTime SteelRemove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$299$160$350$350$140
Release201520172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 days4+ days24 hours to 10 days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144348x250128 x 128453 x 454453x454360 x 360
Size1.26 inches1.42NA1.39 inches1.39 inches1.3 inches
Touch
Typee-paperOLEDNAAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM50mIP671 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSFitbit OSKoodOSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables