Fitbit Flex 2 vs. Fitbit Ionic vs. Diesel On Full Guard vs. Fitbit Charge HR vs. Fitbit Inspire 3

 
Flex 2
Ionic
On Full Guard
Charge HR
Inspire 3
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge HRRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$299$325$150$100
Release20162017201720152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days1 day5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250454 x 454NA32x18
Sizen/a1.421.4 inchesNA46 inches
Touchn/aNA
TypeLEDOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0NA
Apps
Music

All Wearables