Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Apple Series 6 vs. Fitbit Sense 2

 
Flex 2
Vivosmart HR
Series 6
Sense 2
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAppleSeries 6Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$170$399$300
Release2016201520202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNot yet6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68384 x 480336x336
Sizen/a1.08 inches40mm1.59 inches
Touchn/a
TypeLEDn/aMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables