Fitbit Charge 2 vs. Fitbit One vs. Asus ZenWatch vs. Fitbit Inspire HR vs. Apple Watch Ultra

 
Charge 2
One
ZenWatch
Inspire HR
Watch Ultra
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowAsusZenWatchRemove Buy NowFitbitInspire HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$100$150$99$799
Release20162012201420192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 daysNA5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320139 x 60502x410 pixels
Sizen/an/a1.63 inches1.4 inches1.92 inches
Touchn/a
TypeOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast ResistantIP555 ATM10 ATM (100 Meters)

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearFitbit OSWatchOS 9
Apps
Music

All Wearables