Fitbit One vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
One
Stratos
Charge 3
On Full Guard 2.5
Watch 7
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$199$150$325$429
Release20122018201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days7 days4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 30066 x 18454x454396 x 484
Sizen/a1.34 inches.721 inches1.39 inches1.9 inches
Touch
TypeOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OSWatchOS 8
Apps
Music

All Wearables