Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Polar A370 vs. Garmin Vivosmart 4

 
Vivosmart HR
Watch Series 2
Ionic
A370
Vivosmart 4
 GarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$170$269$299$179.95$130
Release20152016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68340 x 272 or 390 x 312348x250160 x 8048 x 128
Size1.08 inches1.5 inches or 1.65 inches1.421.18 inches0.74 inches
Touch
Typen/aAMOLEDOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50mWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OS
Apps
Music

All Wearables