Apple Watch Series 3 vs. Fitbit Flex 2 vs. Fitbit Charge HR vs. Apple Watch 7 vs. Apple SE (2022)

 
Watch Series 3
Flex 2
Charge HR
Watch 7
SE (2022)
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch 7Remove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$329$100$150$429$249
Release20172016201520212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days18 HoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolution340 x 272 or 390 x 312n/aNA396 x 48440mm
Size1.5 inches or 1.65 inchesn/aNA1.9 inches
Touchn/aNALTPO OLED Retina
TypeAMOLEDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWatchOS 4n/aNAWatchOS 8
Apps
Music

All Wearables