Polar M400 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Jawbone UP4 vs. Apple Watch 8

 
M400
Ionic
G-Shock GBA800
UP4
Watch 8
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowJawboneUP4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$299$120$200$499
Release20142017201820152022

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days2 yearsNA18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA340 x 272 or 390 x 312
Sizen/a1.42NA1.5 inches or 1.65 inches
TouchNA
Typen/aOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m20 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNAWatchOS 9
Apps
MusicNA

All Wearables