Garmin Forerunner 225 vs. Fitbit Ionic vs. Asus ZenWatch vs. Fitbit Flex vs. Fitbit Sense 2

 
Forerunner 225
Ionic
ZenWatch
Flex
Sense 2
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$300$299$150$100$300
Release20152017201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ daysNA5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x250320 x 320NA336x336
Size1 inch1.421.63 inchesNA1.59 inches
TouchNA
Typen/aOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP551 ATM5 ATM

Notifications

Phonen/a
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aFitbit OSAndroid WearNA
Appsn/a
Musicn/a

All Wearables