Fitbit Charge 3 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Apple Series 6

 
Charge 3
Flex
Forerunner 45
Inspire HR
Series 6
 FitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$100$199$99$399
Release20182013201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution66 x 18NA208 x 208139 x 60384 x 480
Size.721 inchesNA1.04 inches1.4 inches40mm
TouchNA
TypeOLEDLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuilt-inFitbit OSWatchOS 5
Apps
Music

All Wearables