Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Apple Watch vs. Garmin Forerunner 235

 
Flex 2
ZenWatch 3
Ionic
Watch
Forerunner 235
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$100$229$299$349$299.99
Release20162017201720152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days18 hours9 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400348x250340 x 272 or 390 x 312215 x 180
Sizen/a1.39 inches1.421.5 inches or 1.65 inches1.23 inches
Touchn/a
TypeLEDAMOLEDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWatch OS
Apps
Music

All Wearables