TomTom Spark vs. Asus VivoWatch vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar Loop

 
Spark
VivoWatch
WSD-F20A
Flex
Loop
 TomTomSparkRemove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$160$399$100$100
Release20152018201820132013

Activity & Fitness

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

Battery

Durationn/a24 hours to 10 days1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128320 x 320NANA
Sizen/aNA1.32 inchesNANA
TouchNA
TypeLCDNALCDLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aKoodOSWear OSNANA
Apps
Music

All Wearables