Fitbit One vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Amazfit GTR vs. Apple Watch 8

 
One
Stratos
Charge 3
GTR
Watch 8
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitGTRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$199$150$199$499
Release20122018201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days7 days24 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 30066 x 18454 x 454340 x 272 or 390 x 312
Sizen/a1.34 inches.721 inches1.39 inches1.5 inches or 1.65 inches
Touch
TypeOLEDOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNABuild-inWatchOS 9
Apps
Music

All Wearables