TomTom Spark vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Asus VivoWatch vs. Casio WSD-F20A

 
Spark
Flex 2
Ionic
VivoWatch
WSD-F20A
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$150$100$299$160$399
Release20152016201720182018

Activity & Fitness

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

Battery

Durationn/a5 days4+ days24 hours to 10 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a348x250128 x 128320 x 320
Sizen/an/a1.42NA1.32 inches
Touchn/a
TypeLCDLEDOLEDNALCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50mIP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSKoodOSWear OS
Apps
Music

All Wearables