Polar Loop 2 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Apple Watch Ultra

 
Loop 2
G-Shock GBA800
Flex
Vivofit 4
Watch Ultra
 PolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$120$120$100$79.95$799
Release20152018201320182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 years5 days1 year36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA88 x 88502x410 pixels
Sizen/aNANA1.92 inches
TouchNA
TypeLEDLEDNA

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM20 ATM1 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 9
Apps
Music

All Wearables