Fitbit Flex 2 vs. Fitbit Ionic vs. Diesel On Full Guard vs. Fitbit Charge HR vs. Diesel On Full Guard 2.5

 
Flex 2
Ionic
On Full Guard
Charge HR
On Full Guard 2.5
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$100$299$325$150$325
Release20162017201720152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days1 day5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250454 x 454NA454x454
Sizen/a1.421.4 inchesNA1.39 inches
Touchn/aNA
TypeLEDOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP671 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables