Pebble 2 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Polar A370 vs. Apple Watch Ultra

 
2
Stratos
G-Shock GBA800
A370
Watch Ultra
 Pebble2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowPolarA370Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$129$199$120$179.95$799
Release20162018201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days2 yearsUp to 3 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300160 x 80502x410 pixels
Sizen/a1.34 inches1.18 inches1.92 inches
Touch
Typee-paperOLEDTFT LCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM20 ATMWR3010 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSProprietaryWatchOS 9
Apps
Music

All Wearables