Fitbit Ionic vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Ionic
Flex
Vivosmart 4
 FitbitIonicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$299$100$130
Release201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NA48 x 128
Size1.42NA0.74 inches
TouchNA
TypeOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNA
Apps
Music

All Wearables