Fitbit Ionic vs. Amazfit Arc vs. Garmin Vivofit 4 vs. Polar A370 vs. Amazfit GTR

 
Ionic
Arc
Vivofit 4
A370
GTR
 FitbitIonicRemove Buy NowAmazfitArcRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$69.99$79.95$179.95$199
Release20172016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days20 days1 yearUp to 3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25072 x4088 x 88160 x 80454 x 454
Size1.420.42 inchesNA1.18 inches1.39 inches
Touch
TypeOLEDOLEDNATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP675 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-in
Apps
Music

All Wearables