Polar Loop 2 vs. ASUS ZenWatch 3 vs. Amazfit Bip vs. Fitbit Charge vs. Amazfit GTS

 
Loop 2
ZenWatch 3
Bip
Charge
GTS
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitBipRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$120$229$99.99$130$150
Release20152017201820142019

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours30 days7-10 days14 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400176 x 176NA348 x 442
Sizen/a1.39 inches1.28 inchesNA1.65 inches
TouchNA
TypeLEDAMOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAWear OS
Apps
Music

All Wearables