TomTom Spark vs. Fitbit Flex 2 vs. Fitbit One vs. Fitbit Ionic vs. Fitbit Charge 3

 
Spark
Flex 2
One
Ionic
Charge 3
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$150$100$100$299$150
Release20152016201220172018

Activity & Fitness

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

Battery

Durationn/a5 days10-14 days4+ days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a348x25066 x 18
Sizen/an/an/a1.42.721 inches
Touchn/a
TypeLCDLEDOLEDOLEDOLED

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 OSNA
Apps
Music

All Wearables