Fitbit Ionic vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Apple Watch 7

 
Ionic
Stratos
G-Shock GBA800
Forerunner 45
Watch 7
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$199$120$199$429
Release20172018201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days2 years7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300208 x 208396 x 484
Size1.421.34 inches1.04 inches1.9 inches
Touch
TypeOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM20 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryBuilt-inWatchOS 8
Apps
Music

All Wearables