Fitbit Alta vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Jaybird Reign vs. Apple Series 6

 
Alta
Flex 2
WSD-F20A
Reign
Series 6
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowJaybirdReignRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$100$399$150$399
Release20162016201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA384 x 480
Sizen/an/a1.32 inchesNA40mm
Touchn/an/aNA
TypeOLEDLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATMNA

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSNAWatchOS 5
Apps
Music

All Wearables