Fitbit Flex 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Diesel On Full Guard 2.5 vs. Apple SE (2022)

 
Flex 2
Ionic
Stratos
On Full Guard 2.5
SE (2022)
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$100$299$199$325$249
Release20162017201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days5 days4 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolutionn/a348x250320 x 300454x45440mm
Sizen/a1.421.34 inches1.39 inches
Touchn/aLTPO OLED Retina
TypeLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM3 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aFitbit OSProprietaryWear OS
Apps
Music

All Wearables