Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Alta vs. Fitbit Flex vs. Fitbit Inspire HR

 
Forerunner 225
M400
Alta
Flex
Inspire HR
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$200$130$100$99
Release20152014201620132019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/an/aNA139 x 60
Size1 inchn/an/aNA1.4 inches
Touchn/aNA
Typen/an/aOLEDLEDOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a1 ATM5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/an/aNAFitbit OS
Appsn/a
Musicn/a

All Wearables