Fitbit Alta vs. Amazfit Arc vs. Fitbit Alta HR vs. Fitbit Flex vs. Amazfit T-Rex

 
Alta
Arc
Alta HR
Flex
T-Rex
 FitbitAltaRemove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$69.99$150$100$140
Release20162016201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40128 x 36NA360 x 360
Sizen/a0.42 inches1.4 inchesNA1.3 inches
Touchn/aNA
TypeOLEDOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP671 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables