TomTom Spark vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Pebble Core vs. Polar Loop

 
Spark
Flex
Vivofit 4
Core
Loop
 TomTomSparkRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$100$79.95$99$100
Release20152013201820162013

Activity & Fitness

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

Battery

Durationn/a5 days1 yearNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA88 x 88NANA
Sizen/aNANANANA
TouchNANA
TypeLCDLEDNANALED

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMNA2 ATM

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables