Fitbit One vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Fitbit Charge HR vs. Amazfit T-Rex

 
One
Stratos
Charge 3
Charge HR
T-Rex
 FitbitOneRemove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$199$150$150$140
Release20122018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 30066 x 18NA360 x 360
Sizen/a1.34 inches.721 inchesNA1.3 inches
TouchNA
TypeOLEDOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNANABuild-in
Apps
Music

All Wearables