Fitbit Flex 2 vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Apple SE (2022) vs. Fitbit Sense 2

 
Flex 2
Alta HR
Watch Series 4
SE (2022)
Sense 2
 FitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSE (2022)Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$150$329$249$300
Release20162017201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNot YetNot yet6 days
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 36384 x 48040mm336x336
Sizen/a1.4 inches1.78 inches1.59 inches
Touchn/aLTPO OLED Retina
TypeLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATMNot Yet5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aWatch OS 5
Apps
Music

All Wearables