TomTom Spark vs. Withings Steel HR vs. Fitbit Flex 2 vs. Samsung Galaxy Watch vs. Fitbit Charge

 
Spark
Steel HR
Flex 2
Galaxy Watch
Charge
 TomTomSparkRemove Buy NowWithingsSteel HRRemove Buy NowFitbitFlex 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$150$180$100$330$130
Release20152016201620182014

Activity & Fitness

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

Battery

Durationn/a25 days5 days7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a360 x 360NA
Sizen/an/an/a1.2 inches or 1.3 inchesNA
Touchn/aNA
TypeLCDn/aLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aTizen OSNA
Apps
MusicSpotify

All Wearables