Fitbit Charge 2 vs. Fitbit Zip vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Apple Watch Ultra

 
Charge 2
Zip
Grayson
Alta HR
Grayson
Watch Ultra
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$60$350$150$350$799
Release201620122018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months24 hours7 days24 hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454128 x 36453x454502x410 pixels
Sizen/an/a1.39 inches1.4 inches1.39 inches1.92 inches
Touchn/a
TypeOLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant1 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables