Fitbit Flex 2 vs. Fitbit Ionic vs. Amazfit Cor vs. Fitbit Alta HR vs. Garmin Vivofit 4

 
Flex 2
Ionic
Cor
Alta HR
Vivofit 4
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$299$79.99$150$79.95
Release20162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days12 days7 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x25080 x 160128 x 3688 x 88
Sizen/a1.421.23 inches1.4 inchesNA
Touchn/a
TypeLEDOLEDIPS LCDOLEDNA

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