Pebble Time Round vs. Fitbit Alta vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Time Round
Alta
Grayson
TicWatch S
Grayson
T-Rex
 PebbleTime RoundRemove Buy NowFitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$130$350$199$350$140
Release201520162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 hours1.5-2 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454400 x 400453x454360 x 360
Sizeroundn/a1.39 inches1.4 inches1.39 inches1.3 inches
Touchn/a
Typee-paperOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7n/a1 ATMIP671 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid WearAndroid Wear 2.0Android WearBuild-in
Apps
Music

All Wearables