Polar M400 vs. TomTom Spark vs. Fitbit Ionic vs. Apple Watch vs. Asus VivoWatch

 
M400
Spark
Ionic
Watch
VivoWatch
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowFitbitIonicRemove Buy NowAppleWatchRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$200$150$299$349$160
Release20142015201720152018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a4+ days18 hours24 hours to 10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250340 x 272 or 390 x 312128 x 128
Sizen/an/a1.421.5 inches or 1.65 inchesNA
Touch
Typen/aLCDOLEDAMOLEDNA

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATM5 ATM50mIPX7IP67

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSWatch OSKoodOS
Apps
Music

All Wearables