Fitbit One vs. Fitbit Ionic vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Pebble Core

 
One
Ionic
Forerunner 235
Flex
Core
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$299$299.99$100$99
Release20122017201720132016

Activity & Fitness

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

Battery

Duration10-14 days4+ days9 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250215 x 180NANA
Sizen/a1.421.23 inchesNANA
TouchNANA
TypeOLEDOLEDMIPLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aFitbit OSNANA
Apps
Music

All Wearables