TomTom Spark vs. Fitbit Flex 2 vs. Fitbit One vs. Garmin 645 Music vs. Fitbit Charge HR

 
Spark
Flex 2
One
645 Music
Charge HR
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$150$100$100$450$150
Release20152016201220182015

Activity & Fitness

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

Battery

Durationn/a5 days10-14 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a240 x 240NA
Sizen/an/an/a1.2 inchesNA
Touchn/aNA
TypeLCDLEDOLEDMIPOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplast Resistant5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables