Fitbit One vs. Amazfit Arc vs. Casio WSD-F20A vs. Polar A370 vs. Huawei Band 2

 
One
Arc
WSD-F20A
A370
Band 2
 FitbitOneRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$100$69.99$399$179.95$69.99
Release20122016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days20 days1 dayUp to 3 days21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40320 x 320160 x 80128 x 32
Sizen/a0.42 inches1.32 inches1.18 inches0.91 inches
Touch
TypeOLEDOLEDLCDTFT LCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP675 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables