TomTom Spark vs. Polar Loop 2 vs. Fitbit Ionic vs. Garmin Vivofit 4 vs. Polar Loop

 
Spark
Loop 2
Ionic
Vivofit 4
Loop
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$120$299$79.95$100
Release20152015201720182013

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)4+ days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x25088 x 88NA
Sizen/an/a1.42NANA
Touch
TypeLCDLEDOLEDNALED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50m5 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSNA
Apps
Music

All Wearables