Garmin Vivosmart HR vs. Fitbit Ionic vs. Amazfit Arc vs. Garmin Vivofit 4 vs. Polar A370

 
Vivosmart HR
Ionic
Arc
Vivofit 4
A370
 GarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowAmazfitArcRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$170$299$69.99$79.95$179.95
Release20152017201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days20 days1 yearUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68348x25072 x4088 x 88160 x 80
Size1.08 inches1.420.42 inchesNA1.18 inches
Touch
Typen/aOLEDOLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP675 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OS
Apps
Music

All Wearables