Apple Watch vs. Fitbit Flex vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
Watch
Flex
Inspire HR
T-Rex
Inspire 3
 AppleWatchRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$349$100$99$140$100
Release20152013201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days20 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312NA139 x 60360 x 36032x18
Size1.5 inches or 1.65 inchesNA1.4 inches1.3 inches46 inches
TouchNA
TypeAMOLEDLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX71 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNAFitbit OSBuild-in
Apps
Music

All Wearables