TomTom Spark vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Pebble Core

 
Spark
Flex 2
Ionic
Flex
Core
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$150$100$299$100$99
Release20152016201720132016

Activity & Fitness

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

Battery

Durationn/a5 days4+ days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a348x250NANA
Sizen/an/a1.42NANA
Touchn/aNANA
TypeLCDLEDOLEDLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m1 ATMNA

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aFitbit OSNANA
Apps
Music

All Wearables