Polar M400 vs. Acer Liquid Leap vs. Garmin Forerunner 235 vs. Garmin Vivoactive 3 vs. Fitbit Flex

 
M400
Liquid Leap
Forerunner 235
Vivoactive 3
Flex
 PolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivoactive 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$90$299.99$299$100
Release20142015201720172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 to 7 days9 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32215 x 180240 x 240NA
Sizen/a1 inch1.23 inches1.2 inchesNA
TouchNA
Typen/aOLEDMIPMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX45 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables