Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus

 
Ionic
Stratos
Alta HR
Vivofit 4
Vivosmart HR Plus
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$299$199$150$79.95$179
Release20172018201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days7 days1 year5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300128 x 3688 x 88160 x 68
Size1.421.34 inches1.4 inchesNA0.5 inches x 0.8 inches
Touch
TypeOLEDOLEDOLEDNALCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryNA
Apps
Music

All Wearables