Polar Loop 2 vs. Polar M430 vs. Amazfit Stratos vs. Garmin Chronos vs. Fitbit Charge

 
Loop 2
M430
Stratos
Chronos
Charge
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowAmazfitStratosRemove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$120$255$199$1500$130
Release20152017201820182014

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 hours5 days8 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128320 x 300218 x 218NA
Sizen/a1.4 inch1.34 inches1.2 inchesNA
TouchNA
TypeLEDLCDOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR305 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNA
Apps
Music

All Wearables