Fitbit Alta vs. Polar Loop 2 vs. Amazfit Arc vs. Michael Kors Access Sofie vs. Apple Watch Ultra

 
Alta
Loop 2
Arc
Access Sofie
Watch Ultra
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowMichael KorsAccess SofieRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$120$69.99$395$799
Release20162015201620172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)20 days1 day36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a72 x40390 x 390 1.19 inches502x410 pixels
Sizen/an/a0.42 inches1.92 inches
Touchn/aAMOLDED
TypeOLEDLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATMIP671 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0WatchOS 9
Apps
Music

All Wearables