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

 
Forerunner 225
Model One
M400
Alta
Flex
 GarminForerunner 225Remove Buy NowOlioModel OneRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$595$200$130$100
Release20152015201420162013

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 days5 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/an/aNA
Size1 inchn/an/an/aNA
Touchn/aNA
Typen/an/an/aOLEDLED

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 ATMn/a1 ATM

Notifications

Phonen/an/a
Emailsn/an/a
Textsn/a

Software

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

All Wearables