Fitbit Zip vs. Amazfit Stratos vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Mobvoi TicWatch S2

 
Zip
Stratos
Grayson
A370
Grayson
TicWatch S2
 FitbitZipRemove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$60$199$350$179.95$350$180
Release201220182018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months5 days24 hoursUp to 3 days24 hours2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300453 x 454160 x 80453x454400 x 400
Sizen/a1.34 inches1.39 inches1.18 inches1.39 inches1.39 inches
Touch
Typen/aOLEDAMOLEDTFT LCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM1 ATMWR301 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearAndroid WearWear OS
Apps
Music

All Wearables