Fitbit One vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Polar A370 vs. Amazfit GTS

 
One
Loop 2
ZenWatch 3
A370
GTS
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowPolarA370Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$120$229$179.95$150
Release20122015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days8 days (without notifications)48 hoursUp to 3 days14 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400160 x 80348 x 442
Sizen/an/a1.39 inches1.18 inches1.65 inches
Touch
TypeOLEDLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OS
Apps
Music

All Wearables