Polar M400 vs. Fitbit Flex 2 vs. Withings Go vs. Fitbit Versa vs. Garmin Instinct

 
M400
Flex 2
Go
Versa
Instinct
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowFitbitVersaRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$100$80$199.99$300
Release20142016201620182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days8 months4 days14 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a300 x300128 x 128
Sizen/an/an/a1.34 inches0.9 inches
Touchn/an/a
Typen/aLEDE-InkOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM10 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/a
Appsn/a
Music

All Wearables