Fitbit One vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4 vs. Apple SE (2022)

 
One
Flex
On Full Guard 2.5
Vivosmart 4
SE (2022)
 FitbitOneRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$100$100$325$130$249
Release20122013201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days4 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolutionn/aNA454x45448 x 12840mm
Sizen/aNA1.39 inches0.74 inches
TouchNALTPO OLED Retina
TypeOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water ResistanceSplast Resistant1 ATM3 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables