Polar Loop 2 vs. Polar M430 vs. Garmin Chronos vs. Fitbit Charge vs. Fitbit Flex

 
Loop 2
M430
Chronos
Charge
Flex
 PolarLoop 2Remove Buy NowPolarM430Remove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$255$1500$130$100
Release20152017201820142013

Activity & Fitness

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

Battery

Duration8 days (without notifications)30 hours8 days7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128218 x 218NANA
Sizen/a1.4 inch1.2 inchesNANA
TouchNANA
TypeLEDLCDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR3010 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables