Polar M400 vs. Fitbit Ionic vs. Garmin Chronos vs. Garmin Forerunner 235 vs. Fitbit Versa 2

 
M400
Ionic
Chronos
Forerunner 235
Versa 2
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$200$299$1500$299.99$199
Release20142017201820172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days8 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250218 x 218215 x 180300 x 300
Sizen/a1.421.2 inches1.23 inches1.34 inches
Touch
Typen/aOLEDMIPMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSBuild-in
Apps
Music

All Wearables