ASUS ZenWatch 2 vs. TomTom Spark vs. Fitbit Ionic vs. Apple Watch vs. Fitbit Alta HR

 
ZenWatch 2
Spark
Ionic
Watch
Alta HR
 ASUSZenWatch 2Remove Buy NowTomTomSparkRemove Buy NowFitbitIonicRemove Buy NowAppleWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$150$150$299$349$150
Release20162015201720152017

Activity & Fitness

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

Battery

Durationn/an/a4+ days18 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a348x250340 x 272 or 390 x 312128 x 36
Size1.63 inches or 1.45 inchn/a1.421.5 inches or 1.65 inches1.4 inches
Touch
TypeAMOLEDLCDOLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM50mIPX7

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/aFitbit OSWatch OS
Apps
Music

All Wearables