Fitbit Blaze vs. Polar M400 vs. Fitbit One vs. Fitbit Alta HR vs. Polar A370

 
Blaze
M400
One
Alta HR
A370
 FitbitBlazeRemove Buy NowPolarM400Remove Buy NowFitbitOneRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$200$100$150$179.95
Release20162014201220172017

Activity & Fitness

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

Battery

Duration5 Days8 hours to 30 days10-14 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a128 x 36160 x 80
Sizen/an/an/a1.4 inches1.18 inches
Touch
TypeLCDn/aOLEDOLEDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATMSplast ResistantWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables