Apple Watch Series 3 vs. TomTom Spark vs. Fitbit One vs. Polar Loop 2 vs. Fitbit Ionic

 
Watch Series 3
Spark
One
Loop 2
Ionic
 AppleWatch Series 3Remove Buy NowTomTomSparkRemove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$329$150$100$120$299
Release20172015201220152017

Activity & Fitness

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

Battery

Duration18 hoursn/a10-14 days8 days (without notifications)4+ days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/an/a348x250
Size1.5 inches or 1.65 inchesn/an/an/a1.42
Touch
TypeAMOLEDLCDOLEDLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplast Resistant2 ATM50m

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4n/an/an/aFitbit OS
Apps
Music

All Wearables