Amazfit Arc vs. Polar A370 vs. Fitbit Inspire HR vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Arc
A370
Inspire HR
Watch Ultra
Sense 2
 AmazfitArcRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$69.99$179.95$99$799$300
Release20162017201920222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 daysUp to 3 days5 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40160 x 80139 x 60502x410 pixels336x336
Size0.42 inches1.18 inches1.4 inches1.92 inches1.59 inches
Touch
TypeOLEDTFT LCDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67WR305 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatchOS 9
Apps
Music

All Wearables