Polar Loop 2 vs. Apple Watch Series 2 vs. Garmin Chronos vs. Fitbit Charge vs. Garmin Vivofit 4

 
Loop 2
Watch Series 2
Chronos
Charge
Vivofit 4
 PolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$120$269$1500$130$79.95
Release20152016201820142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours8 days7-10 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312218 x 218NA88 x 88
Sizen/a1.5 inches or 1.65 inches1.2 inchesNANA
TouchNA
TypeLEDAMOLEDMIPOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNA
Apps
Music

All Wearables