Polar M430 vs. Garmin Chronos vs. Fitbit Charge vs. Fitbit Flex vs. Amazfit GTR

 
M430
Chronos
Charge
Flex
GTR
 PolarM430Remove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$255$1500$130$100$199
Release20172018201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours8 days7-10 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128218 x 218NANA454 x 454
Size1.4 inch1.2 inchesNANA1.39 inches
TouchNANA
TypeLCDMIPOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR3010 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANABuild-in
Apps
Music

All Wearables