Fitbit Flex 2 vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Flex 2
Flex
Vivosmart HR Plus
Inspire HR
T-Rex
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$100$179$99$140
Release20162013201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA160 x 68139 x 60360 x 360
Sizen/aNA0.5 inches x 0.8 inches1.4 inches1.3 inches
Touchn/aNA
TypeLEDLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAFitbit OSBuild-in
Apps
Music

All Wearables