Fitbit Zip vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Zip
Stratos
Charge 3
On Full Guard 2.5
T-Rex
 FitbitZipRemove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$60$199$150$325$140
Release20122018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months5 days7 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 30066 x 18454x454360 x 360
Sizen/a1.34 inches.721 inches1.39 inches1.3 inches
Touch
Typen/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OSBuild-in
Apps
Music

All Wearables