Polar M400 vs. Polar A360 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple Watch Series 5

 
M400
A360
Forerunner 235
Flex
Watch Series 5
 PolarM400Remove Buy NowPolarA360Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$200$200$299.99$100$329
Release20142015201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days9 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80215 x 180NA384 x 480
Sizen/a1.18 inches1.23 inchesNA1.78 Inches
TouchNA
Typen/an/aMIPLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR305 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables