Fitbit Flex 2 vs. Fitbit One vs. Garmin Forerunner 935 vs. Fitbit Charge HR vs. Apple Series 6

 
Flex 2
One
Forerunner 935
Charge HR
Series 6
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminForerunner 935Remove Buy NowFitbitCharge HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$100$500$150$399
Release20162012201720152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 daysUp to 2 weeks5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NA384 x 480
Sizen/an/a1.2 inchesNA40mm
Touchn/aNA
TypeLEDOLEDLCDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMSplast Resistant5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables