Fitbit Alta HR vs. Fitbit Flex vs. Apple SE vs. Apple Series 6

 
Alta HR
Flex
SE
Series 6
 FitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$100$279$399
Release2017201320202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days18 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA384 x 480384 x 480
Size1.4 inchesNA40mm40mm
TouchNA
TypeOLEDLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet5 ATM
Water Resistance1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5WatchOS 5
Apps
Music

All Wearables