Fitbit One vs. Amazfit Arc vs. Casio G-Shock GBA800 vs. Polar A370 vs. Polar Loop

 
One
Arc
G-Shock GBA800
A370
Loop
 FitbitOneRemove Buy NowAmazfitArcRemove Buy NowCasioG-Shock GBA800Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$69.99$120$179.95$100
Release20122016201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days20 days2 yearsUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40160 x 80NA
Sizen/a0.42 inches1.18 inchesNA
Touch
TypeOLEDOLEDTFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP6720 ATMWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables