Fitbit Flex 2 vs. Fitbit Ionic vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Amazfit GTR

 
Flex 2
Ionic
On Full Guard
Alta HR
GTR
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$299$325$150$199
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days1 day7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250454 x 454128 x 36454 x 454
Sizen/a1.421.4 inches1.4 inches1.39 inches
Touchn/a
TypeLEDOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables