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

 
Loop 2
ZenWatch 3
Bip
VivoWatch
Charge
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitBipRemove Buy NowAsusVivoWatchRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$120$229$99.99$160$130
Release20152017201820182014

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours30 days24 hours to 10 days7-10 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400176 x 176128 x 128NA
Sizen/a1.39 inches1.28 inchesNANA
TouchNA
TypeLEDAMOLEDNANAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance2 ATMIP68IP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2KoodOSNA
Apps
Music

All Wearables