Fitbit Charge 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Polar Loop

 
Charge 2
Watch Series 2
ZenWatch 3
Alta HR
Loop
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$269$229$150$100
Release20162016201720172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400128 x 36NA
Sizen/a1.5 inches or 1.65 inches1.39 inches1.4 inchesNA
Touchn/a
TypeOLEDAMOLEDAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2NA
Apps
Music

All Wearables