Pebble Steel vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Fitbit Flex vs. Apple Watch Ultra

 
Steel
G-Shock GBA800
Alta HR
Flex
Watch Ultra
 PebbleSteelRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$120$150$100$799
Release20142018201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 years7 days5 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144128 x 36NA502x410 pixels
Size1.26 inches1.4 inchesNA1.92 inches
TouchNA
Typee-paperOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNAWatchOS 9
Apps
Music

All Wearables