Fitbit One vs. Fitbit Zip vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
One
Zip
Grayson
Grayson
TicWatch S2
T-Rex
 FitbitOneRemove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$60$350$350$180$140
Release201220122018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days6 months24 hours24 hours2 DAYS20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454453x454400 x 400360 x 360
Sizen/an/a1.39 inches1.39 inches1.39 inches1.3 inches
Touch
TypeOLEDn/aAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantSplash Resistant1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearWear OSBuild-in
Apps
Music

All Wearables