Fitbit Blaze vs. Fitbit Flex 2 vs. Fitbit Alta HR vs. Fitbit Charge HR vs. Apple Series 6

 
Blaze
Flex 2
Alta HR
Charge HR
Series 6
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$100$150$150$399
Release20162016201720152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 36NA384 x 480
Sizen/an/a1.4 inchesNA40mm
Touchn/aNA
TypeLCDLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables