Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Diesel On Full Guard 2.5 vs. Apple SE

 
Flex 2
Ionic
Forerunner 935
On Full Guard 2.5
SE
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$299$500$325$279
Release20162017201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ daysUp to 2 weeks4 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250240 x 240454x454384 x 480
Sizen/a1.421.2 inches1.39 inches40mm
Touchn/a
TypeLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM50m5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWatchOS 5
Apps
Music

All Wearables