Fitbit Ionic vs. LG Watch Style vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Ionic
Watch Style
Flex
Vivosmart 4
GTS
 FitbitIonicRemove Buy NowLGWatch StyleRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$299$249$100$130$150
Release20172017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250360 x 360NA48 x 128348 x 442
Size1.421.2 inchesNA0.74 inches1.65 inches
TouchNA
TypeOLEDP-OLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2NAWear OS
Apps
Music

All Wearables