Fitbit Flex 2 vs. Fitbit Versa vs. Fitbit Charge vs. Garmin Vivosmart 3 vs. Apple Series 6

 
Flex 2
Versa
Charge
Vivosmart 3
Series 6
 FitbitFlex 2Remove Buy NowFitbitVersaRemove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$199.99$130$139.99$399
Release20162018201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days7-10 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a300 x300NA64 x 128384 x 480
Sizen/a1.34 inchesNANA40mm
Touchn/aNA
TypeLEDOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 5
Apps
Music

All Wearables