Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Fenix 5 vs. Casio WSD-F20A vs. Apple Series 6

 
Flex 2
Ionic
Fenix 5
WSD-F20A
Series 6
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminFenix 5Remove Buy NowCasioWSD-F20ARemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$299$599.99$399$399
Release20162017201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days2 Weeks1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250240 x 240320 x 320384 x 480
Sizen/a1.421.2 inches1.32 inches40mm
Touchn/a
TypeLEDOLEDnaLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM50m10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 5
Apps
Music

All Wearables