Fitbit One vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Charge HR vs. Apple Watch 7

 
One
Stratos
G-Shock GBA800
Charge HR
Watch 7
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$199$120$150$429
Release20122018201820152021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days2 years5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300NA396 x 484
Sizen/a1.34 inchesNA1.9 inches
TouchNA
TypeOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM20 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWatchOS 8
Apps
Music

All Wearables