Fitbit Flex 2 vs. Apple Watch Series 2 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Apple Series 6

 
Flex 2
Watch Series 2
Flex
Vivofit 4
Series 6
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$269$100$79.95$399
Release20162016201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days1 yearNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312NA88 x 88384 x 480
Sizen/a1.5 inches or 1.65 inchesNANA40mm
Touchn/aNA
TypeLEDAMOLEDLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 5
Apps
Music

All Wearables