Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Chronos vs. Garmin Vivofit 4

 
Forerunner 225
Flex 2
Ionic
Chronos
Vivofit 4
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$300$100$299$1500$79.95
Release20152016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days4+ days8 days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/a348x250218 x 21888 x 88
Size1 inchn/a1.421.2 inchesNA
Touchn/a
Typen/aLEDOLEDMIPNA

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSWear OS
Appsn/a
Musicn/a

All Wearables