Polar M400 vs. Amazfit Cor vs. Basis Peak vs. Garmin Forerunner 235 vs. Fitbit Flex

 
M400
Cor
Peak
Forerunner 235
Flex
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowBasisPeakRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$79.99$200$299.99$100
Release20142018201420172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days4 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160168 x 144215 x 180NA
Sizen/a1.23 inches1.25 inches1.23 inchesNA
TouchNA
Typen/aIPS LCDLCDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables