Fitbit Ionic vs. Fitbit Alta HR vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. Fitbit Inspire 3

 
Ionic
Alta HR
T-Rex
VivoActive 4
Inspire 3
 FitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$299$150$140$349$100
Release20172017201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days20 days8 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 36360 x 360260 x 26032x18
Size1.421.4 inches1.3 inches1.3ionches46 inches
Touch
TypeOLEDOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-inWear OS
Apps
Music

All Wearables