Fitbit One vs. Polar A360 vs. Apple Watch Series 2 vs. Amazfit Arc vs. Apple Watch 8

 
One
A360
Watch Series 2
Arc
Watch 8
 FitbitOneRemove Buy NowPolarA360Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$200$269$69.99$499
Release20122015201620162022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days12 days18 hours20 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80340 x 272 or 390 x 31272 x40340 x 272 or 390 x 312
Sizen/a1.18 inches1.5 inches or 1.65 inches0.42 inches1.5 inches or 1.65 inches
Touch
TypeOLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantWR305ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatchOS 9
Apps
Music

All Wearables