Polar M400 vs. Fitbit Alta vs. Acer Liquid Leap vs. Garmin Forerunner 235 vs. Polar Loop

 
M400
Alta
Liquid Leap
Forerunner 235
Loop
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowAcerLiquid LeapRemove Buy NowGarminForerunner 235Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$130$90$299.99$100
Release20142016201520172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 to 7 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 32215 x 180NA
Sizen/an/a1 inch1.23 inchesNA
Touchn/a
Typen/aOLEDOLEDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIPX45 ATM2 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables