TomTom Spark vs. Fitbit Flex 2 vs. Fitbit One vs. Fitbit Ionic vs. Garmin Forerunner 235

 
Spark
Flex 2
One
Ionic
Forerunner 235
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy Now

Basic Info

Suggested Price$150$100$100$299$299.99
Release20152016201220172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days10-14 days4+ days9 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a348x250215 x 180
Sizen/an/an/a1.421.23 inches
Touchn/a
TypeLCDLEDOLEDOLEDMIP

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplast Resistant50m5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aFitbit OS
Apps
Music

All Wearables