Fitbit Flex 2 vs. Fitbit One vs. Diesel On Full Guard 2.5 vs. Skagen Falster 2 vs. Garmin Vivosmart 4

 
Flex 2
One
On Full Guard 2.5
Falster 2
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowSkagenFalster 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$325$199$130
Release20162012201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days4 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454x454320 x 32048 x 128
Sizen/an/a1.39 inches1.19 inches0.74 inches
Touchn/a
TypeLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant3 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWear OS
Apps
Music

All Wearables