TomTom Spark vs. Fitbit Ionic vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Pebble Core

 
Spark
Ionic
Flex
Vivofit 4
Core
 TomTomSparkRemove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$150$299$100$79.95$99
Release20152017201320182016

Activity & Fitness

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

Battery

Durationn/a4+ days5 days1 yearNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250NA88 x 88NA
Sizen/a1.42NANANA
TouchNANA
TypeLCDOLEDLEDNANA

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATM5 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aFitbit OSNANA
Apps
Music

All Wearables