Fitbit One vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Apple Watch Series 4 vs. Garmin Vivosmart 4

 
One
Ionic
Forerunner 935
Watch Series 4
Vivosmart 4
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$299$500$329$130
Release20122017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ daysUp to 2 weeksNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240384 x 48048 x 128
Sizen/a1.421.2 inches1.78 inches0.74 inches
Touch
TypeOLEDOLEDLCDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWatch OS 5
Apps
Music

All Wearables