Polar M430 vs. Amazfit Stratos vs. Skagen Falster vs. Fitbit Charge vs. Fitbit Flex

 
M430
Stratos
Falster
Charge
Flex
 PolarM430Remove Buy NowAmazfitStratosRemove Buy NowSkagenFalsterRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$255$199$275$130$100
Release20172018201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours5 days24 hours7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128320 x 300NANA
Size1.4 inch1.34 inchesNANA
TouchNANA
TypeLCDOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNANANA
Apps
Music

All Wearables