Apple Watch Series 3 vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. HTC re Grip vs. Fitbit Sense 2

 
Watch Series 3
Inspire HR
T-Rex
re Grip
Sense 2
 AppleWatch Series 3Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$329$99$140$199$300
Release20172019201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days20 days5 hours to 2.5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312139 x 60360 x 360160 x 32336x336
Size1.5 inches or 1.65 inches1.4 inches1.3 inches1.8 inches1.59 inches
Touch
TypeAMOLEDOLEDAMOLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSBuild-inNA
Apps
Music

All Wearables