Polar M400 vs. Garmin Forerunner 235 vs. Garmin Vivoactive 3 vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex

 
M400
Forerunner 235
Vivoactive 3
Moto 360 (1st Gen)
Flex
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivoactive 3Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$299.99$299$150$100
Release20142017201720142013

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days7 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180240 x 240320 x 260NA
Sizen/a1.23 inches1.2 inches1.56 inchesNA
TouchNA
Typen/aMIPMIPLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNA
Apps
MusicNA

All Wearables