TomTom Spark vs. Apple Watch vs. Fitbit Alta HR vs. Fitbit Flex vs. Apple Watch Series 4

 
Spark
Watch
Alta HR
Flex
Watch Series 4
 TomTomSparkRemove Buy NowAppleWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$349$150$100$329
Release20152015201720132018

Activity & Fitness

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

Battery

Durationn/a18 hours7 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312128 x 36NA384 x 480
Sizen/a1.5 inches or 1.65 inches1.4 inchesNA1.78 inches
TouchNA
TypeLCDAMOLEDOLEDLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX71 ATMNot Yet

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWatch OSNAWatch OS 5
Apps
Music

All Wearables