Fitbit Flex 2 vs. Fitbit Flex vs. Amazfit GTR vs. Garmin VivoActive 4 vs. Fitbit Sense 2

 
Flex 2
Flex
GTR
VivoActive 4
Sense 2
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowGarminVivoActive 4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$100$199$349$300
Release20162013201920192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 days8 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA454 x 454260 x 260336x336
Sizen/aNA1.39 inches1.3ionches1.59 inches
Touchn/aNA
TypeLEDLEDAMOLEDMIPAMOLED

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/aNABuild-inWear OS
Apps
Music

All Wearables