Apple Watch Series 3 vs. Fitbit Ionic vs. Jawbone UP3 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Watch Series 3
Ionic
UP3
On Full Guard 2.5
T-Rex
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowJawboneUP3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$299$180$325$140
Release20172017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days7 days4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250NA454x454360 x 360
Size1.5 inches or 1.65 inches1.42NA1.39 inches1.3 inches
TouchNA
TypeAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mNA3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSNAWear OSBuild-in
Apps
MusicNA

All Wearables