Pebble Steel vs. Fitbit Alta HR vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin VivoActive 4

 
Steel
Alta HR
Flex
On Full Guard 2.5
VivoActive 4
 PebbleSteelRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$150$100$325$349
Release20142017201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days7 days5 days4 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144128 x 36NA454x454260 x 260
Size1.26 inches1.4 inchesNA1.39 inches1.3ionches
TouchNA
Typee-paperOLEDLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNAWear OSWear OS
Apps
Music

All Wearables