Garmin Forerunner 225 vs. Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Pebble Core

 
Forerunner 225
M400
Forerunner 235
Flex
Core
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$300$200$299.99$100$99
Release20152014201720132016

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days9 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a215 x 180NANA
Size1 inchn/a1.23 inchesNANA
TouchNANA
Typen/an/aMIPLEDNA

Functions

Audio Speaker22Alerts only
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM1 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aNANA
Appsn/a
Musicn/a

All Wearables