Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Chronos vs. Fitbit Flex vs. Apple Watch Ultra

 
Ionic
G-Shock GBA800
Chronos
Flex
Watch Ultra
 FitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$299$120$1500$100$799
Release20172018201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 years8 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218 x 218NA502x410 pixels
Size1.421.2 inchesNA1.92 inches
TouchNA
TypeOLEDMIPLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m20 ATM10 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSNAWatchOS 9
Apps
Music

All Wearables