Polar M400 vs. Fitbit One vs. Moov Now vs. Polar A370 vs. Garmin Forerunner 45

 
M400
One
Now
A370
Forerunner 45
 PolarM400Remove Buy NowFitbitOneRemove Buy NowMoovNowRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$100$79$179.95$199
Release20142012201520172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days6 monthsUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a160 x 80208 x 208
Sizen/an/an/a1.18 inches1.04 inches
Touchn/a
Typen/aOLEDn/aTFT LCDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistantn/aWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aBuilt-in
Apps
Music

All Wearables