Fitbit One vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Apple Watch 7

 
One
Watch Series 2
ZenWatch
WSD-F20A
Watch 7
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$269$150$399$429
Release20122016201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hoursNA1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320320 x 320396 x 484
Sizen/a1.5 inches or 1.65 inches1.63 inches1.32 inches1.9 inches
Touch
TypeOLEDAMOLEDAMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATMIP555 ATMwater resistant but not waterproof

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearWear OSWatchOS 8
Apps
Music

All Wearables