Apple Watch Series 3 vs. TomTom Spark vs. Polar Loop 2 vs. Casio WSD-F20A vs. Fitbit Charge HR

 
Watch Series 3
Spark
Loop 2
WSD-F20A
Charge HR
 AppleWatch Series 3Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$329$150$120$399$150
Release20172015201520182015

Activity & Fitness

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

Battery

Duration18 hoursn/a8 days (without notifications)1 day5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a320 x 320NA
Size1.5 inches or 1.65 inchesn/an/a1.32 inchesNA
TouchNA
TypeAMOLEDLCDLEDLCDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4n/an/aWear OSNA
Apps
Music

All Wearables