Apple Watch Series 3 vs. Fitbit Flex 2 vs. Fitbit Versa vs. Fitbit Alta HR vs. Apple Series 6

 
Watch Series 3
Flex 2
Versa
Alta HR
Series 6
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitVersaRemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$100$199.99$150$399
Release20172016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days4 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a300 x300128 x 36384 x 480
Size1.5 inches or 1.65 inchesn/a1.34 inches1.4 inches40mm
Touchn/a
TypeAMOLEDLEDOLEDOLEDMicroLED

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 SystemWatchOS 4n/aWatchOS 5
Apps
Music

All Wearables