Garmin Forerunner 225 vs. Fitbit One vs. Amazfit Arc vs. Casio WSD-F20A vs. Polar A370

 
Forerunner 225
One
Arc
WSD-F20A
A370
 GarminForerunner 225Remove Buy NowFitbitOneRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$100$69.99$399$179.95
Release20152012201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks10-14 days20 days1 dayUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a72 x40320 x 320160 x 80
Size1 inchn/a0.42 inches1.32 inches1.18 inches
Touch
Typen/aOLEDOLEDLCDTFT LCD

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIP675 ATMWR30

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OS
Appsn/a
Musicn/a

All Wearables