Fitbit Flex 2 vs. Fitbit One vs. Garmin Forerunner 235 vs. Pebble Core vs. Garmin VivoActive 4

 
Flex 2
One
Forerunner 235
Core
VivoActive 4
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminForerunner 235Remove Buy NowPebbleCoreRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$100$299.99$99$349
Release20162012201720162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days10-14 days9 daysNA8 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a215 x 180NA260 x 260
Sizen/an/a1.23 inchesNA1.3ionches
Touchn/aNA
TypeLEDOLEDMIPNAMIP

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables