Fitbit Charge 2 vs. Fitbit Ionic vs. Asus VivoWatch vs. Fitbit Charge HR vs. Amazfit GTR

 
Charge 2
Ionic
VivoWatch
Charge HR
GTR
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$299$160$150$199
Release20162017201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hours to 10 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250128 x 128NA454 x 454
Sizen/a1.42NANA1.39 inches
Touchn/aNA
TypeOLEDOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a50mIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSKoodOSNABuild-in
Apps
Music

All Wearables