Fitbit Alta HR vs. Polar A370 vs. Amazfit T-Rex vs. Skagen Falster 3 vs. Apple Watch Ultra

 
Alta HR
A370
T-Rex
Falster 3
Watch Ultra
 FitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy NowSkagenFalster 3Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$179.95$140$295$799
Release20172017201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysUp to 3 days20 days1 day36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36160 x 80360 x 360416 x 416502x410 pixels
Size1.4 inches1.18 inches1.3 inches1.28 inches1.92 inches
Touch
TypeOLEDTFT LCDAMOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inWear OSWatchOS 9
Apps
Music

All Wearables