Fitbit Flex 2 vs. Fitbit Ionic vs. Amazfit Cor vs. Garmin Vivosmart 4

 
Flex 2
Ionic
Cor
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitCorRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$299$79.99$130
Release2016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days12 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x25080 x 16048 x 128
Sizen/a1.421.23 inches0.74 inches
Touchn/a
TypeLEDOLEDIPS LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OS
Apps
Music

All Wearables