Fitbit One vs. Fitbit Ionic vs. Diesel On Full Guard 2.5 vs. Amazfit GTR

 
One
Ionic
On Full Guard 2.5
GTR
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$299$325$199
Release2012201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ days4 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250454x454454 x 454
Sizen/a1.421.39 inches1.39 inches
Touch
TypeOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSBuild-in
Apps
Music

All Wearables