Polar M400 vs. TomTom Spark vs. Garmin Vivosmart vs. Polar A370 vs. Fitbit Inspire HR

 
M400
Spark
Vivosmart
A370
Inspire HR
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowGarminVivosmartRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$150$170$179.95$99
Release20142015201420172019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a7 daysUp to 3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 16160 x 80139 x 60
Sizen/an/a1.41 inches1.18 inches1.4 inches
Touch
Typen/aLCDOLEDTFT LCDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMWR305 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aFitbit OS
Apps
Music

All Wearables