TomTom Spark vs. Polar Loop 2 vs. Fitbit Ionic vs. Pebble Time 2 vs. Apple Watch Series 4

 
Spark
Loop 2
Ionic
Time 2
Watch Series 4
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowPebbleTime 2Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$120$299$199$329
Release20152015201720162018

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)4+ days10 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250NA384 x 480
Sizen/an/a1.42NA1.78 inches
Touch
TypeLCDLEDOLEDe-paperMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50m3 ATMNot Yet

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSPebble OSWatch OS 5
Apps
Music

All Wearables