Fitbit Flex 2 vs. Polar Loop 2 vs. LG Watch Sport vs. Casio WSD-F20A vs. Apple Watch 7

 
Flex 2
Loop 2
Watch Sport
WSD-F20A
Watch 7
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowLGWatch SportRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$120$349$399$429
Release20162015201620182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)1.45 days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a480 x 480320 x 320396 x 484
Sizen/an/a1.38 inches1.32 inches1.9 inches
Touchn/a
TypeLEDLEDP-OLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP685 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OSWatchOS 8
Apps
Music

All Wearables