Polar M400 vs. Fitbit One vs. Polar M430 vs. Acer Liquid Leap vs. Fitbit Alta HR

 
M400
One
M430
Liquid Leap
Alta HR
 PolarM400Remove Buy NowFitbitOneRemove Buy NowPolarM430Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$100$255$90$150
Release20142012201720152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days30 hours5 to 7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128x128128 x 32128 x 36
Sizen/an/a1.4 inch1 inch1.4 inches
Touch
Typen/aOLEDLCDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast ResistantWR30IPX4

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables