TomTom Spark vs. Fitbit Alta vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Fitbit Flex

 
Spark
Alta
Alta HR
Charge 3
Flex
 TomTomSparkRemove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$130$150$150$100
Release20152016201720182013

Activity & Fitness

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

Battery

Durationn/a5 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 3666 x 18NA
Sizen/an/a1.4 inches.721 inchesNA
Touchn/aNA
TypeLCDOLEDOLEDOLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables