TomTom Spark vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Watch Ultra

 
Spark
Ionic
WSD-F20A
Flex
Watch Ultra
 TomTomSparkRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$299$399$100$799
Release20152017201820132022

Activity & Fitness

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

Battery

Durationn/a4+ days1 day5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250320 x 320NA502x410 pixels
Sizen/a1.421.32 inchesNA1.92 inches
TouchNA
TypeLCDOLEDLCDLED

Functions

Audio SpeakerBluetooth
ClockLTPO OLED Retina
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM1 ATM10 ATM (100 Meters)

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSWear OSNAWatchOS 9
Apps
Music

All Wearables