Fitbit One vs. Amazfit Arc vs. Casio WSD-F20A vs. Motorola Moto 360 (1st Gen) vs. Apple Watch Series 4

 
One
Arc
WSD-F20A
Moto 360 (1st Gen)
Watch Series 4
 FitbitOneRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$69.99$399$150$329
Release20122016201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days20 days1 day1 dayNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 320320 x 260384 x 480
Sizen/a0.42 inches1.32 inches1.56 inches1.78 inches
Touch
TypeOLEDOLEDLCDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP675 ATMIP67Not Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearWatch OS 5
Apps
MusicNA

All Wearables