Fitbit Alta HR vs. Fitbit Charge HR vs. Fitbit Flex vs. Apple SE (2022) vs. Fitbit Sense 2

 
Alta HR
Charge HR
Flex
SE (2022)
Sense 2
 FitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowAppleSE (2022)Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$150$100$249$300
Release20172015201320222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 daysNot yet6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolution128 x 36NANA40mm336x336
Size1.4 inchesNANA1.59 inches
TouchNANALTPO OLED Retina
TypeOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance1 ATM1 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemNANA
Apps
Music

All Wearables