Garmin Forerunner 735XT vs. Fitbit Ionic vs. Asus VivoWatch vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Forerunner 735XT
Ionic
VivoWatch
Flex
Vivosmart 4
 GarminForerunner 735XTRemove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$299$160$100$130
Release20162017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days4+ days24 hours to 10 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180348x250128 x 128NA48 x 128
Size1.23 inches1.42NANA0.74 inches
Touchn/aNA
Typen/aOLEDNALEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM50mIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSKoodOSNA
Apps
Music

All Wearables