Garmin Forerunner 225 vs. Olio Model One vs. Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex

 
Forerunner 225
Model One
M400
Forerunner 235
Flex
 GarminForerunner 225Remove Buy NowOlioModel OneRemove Buy NowPolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$595$200$299.99$100
Release20152015201420172013

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/an/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration10 hours to 4 weeks2 days8 hours to 30 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution180 x 180n/an/a215 x 180NA
Size1 inchn/an/a1.23 inchesNA
TouchNA
Typen/an/an/aMIPLED

Functions

Audio Speaker22n/aAlerts only
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5 ATM1 ATM

Notifications

Phonen/an/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aNA
Appsn/an/a
Musicn/a

All Wearables