Fitbit Alta vs. Garmin Vivosmart HR vs. Fitbit Flex vs. Michael Kors Access Runway vs. Amazfit T-Rex

 
Alta
Vivosmart HR
Flex
Access Runway
T-Rex
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess RunwayRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$170$100$350$140
Release20162015201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68NA390 x 390360 x 360
Sizen/a1.08 inchesNA1.19 inches1.3 inches
Touchn/aNA
TypeOLEDn/aLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OSBuild-in
Apps
Music

All Wearables