Fitbit Alta vs. Fitbit Ionic vs. Amazfit T-Rex vs. Apple Series 6 vs. Fitbit Inspire 3

 
Alta
Ionic
T-Rex
Series 6
Inspire 3
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$130$299$140$399$100
Release20162017201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days20 daysNot yet10 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250360 x 360384 x 48032x18
Sizen/a1.421.3 inches40mm46 inches
Touchn/a
TypeOLEDOLEDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a50m5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSBuild-inWatchOS 5
Apps
Music

All Wearables