Pebble Steel vs. Polar Loop 2 vs. Fitbit Charge 3 vs. HTC re Grip vs. Apple Watch Ultra

 
Steel
Loop 2
Charge 3
re Grip
Watch Ultra
 PebbleSteelRemove Buy NowPolarLoop 2Remove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$120$150$199$799
Release20142015201820202022

Activity & Fitness

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

Battery

Duration5-7 days8 days (without notifications)7 days5 hours to 2.5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144n/a66 x 18160 x 32502x410 pixels
Size1.26 inchesn/a.721 inches1.8 inches1.92 inches
Touch
Typee-paperLEDOLEDPMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATMIP5710 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNANAWatchOS 9
Apps
Music

All Wearables