Garmin Forerunner 225 vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
Forerunner 225
Flex 2
On Full Guard
Watch Series 4
Inspire HR
 GarminForerunner 225Remove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$300$100$325$329$99
Release20152016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days1 dayNot Yet5 days
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/a454 x 454384 x 480139 x 60
Size1 inchn/a1.4 inches1.78 inches1.4 inches
Touchn/a
Typen/aLEDOMOLEDMicroLEDOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP67Not Yet5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2.0Watch OS 5Fitbit OS
Appsn/a
Musicn/a

All Wearables