Fitbit Flex 2 vs. Asus VivoWatch vs. Casio WSD-F20A vs. Polar Loop vs. Apple Watch 7

 
Flex 2
VivoWatch
WSD-F20A
Loop
Watch 7
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$160$399$100$429
Release20162018201820132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days1 day5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128320 x 320NA396 x 484
Sizen/aNA1.32 inchesNA1.9 inches
Touchn/a
TypeLEDNALCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM2 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSWear OSNAWatchOS 8
Apps
Music

All Wearables