TomTom Spark vs. Fitbit Flex 2 vs. Garmin Vivosmart vs. Pebble Core vs. Polar Loop

 
Spark
Flex 2
Vivosmart
Core
Loop
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$150$100$170$99$100
Release20152016201420162013

Activity & Fitness

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

Battery

Durationn/a5 days7 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a128 x 16NANA
Sizen/an/a1.41 inchesNANA
Touchn/aNA
TypeLCDLEDOLEDNALED

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

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

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables