Garmin Forerunner 225 vs. Fitbit Ionic vs. Garmin Chronos vs. Fitbit Charge 3 vs. Fitbit Flex

 
Forerunner 225
Ionic
Chronos
Charge 3
Flex
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$300$299$1500$150$100
Release20152017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ days8 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution180 x 180348x250218 x 21866 x 18NA
Size1 inch1.421.2 inches.721 inchesNA
TouchNA
Typen/aOLEDMIPOLEDLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m10 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSWear OSNANA
Appsn/a
Musicn/a

All Wearables