Fitbit One vs. Fitbit Ionic vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Fitbit Flex

 
One
Ionic
Fenix 5X
Forerunner 235
Flex
 FitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$299$699$299.99$100
Release20122017201720172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days4+ daysUp to 12 days9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x240215 x 180NA
Sizen/a1.421.2 inches1.23 inchesNA
TouchNA
TypeOLEDOLEDNAMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50m10 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNA
Apps
Music

All Wearables