Fitbit Flex 2 vs. Fitbit Alta HR vs. Apple SE (2022) vs. Apple SE vs. Apple Series 6

 
Flex 2
Alta HR
SE (2022)
SE
Series 6
 FitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowAppleSE (2022)Remove Buy NowAppleSERemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$150$249$279$399
Release20162017202220202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNot yet18 hoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolutionn/a128 x 3640mm384 x 480384 x 480
Sizen/a1.4 inches40mm40mm
Touchn/aLTPO OLED Retina
TypeLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet SensorNot yet5 ATM
Water Resistance5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aWatchOS 5WatchOS 5
Apps
Music

All Wearables