TomTom Spark vs. Fitbit Flex 2 vs. Withings Go vs. Fitbit Charge vs. Pebble Core

 
Spark
Flex 2
Go
Charge
Core
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowFitbitChargeRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$150$100$80$130$99
Release20152016201620142016

Activity & Fitness

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

Battery

Durationn/a5 days8 months7-10 daysNA
Rechargeable

Compatibility

Androidn/a
iOSn/aNA
Windows Phonen/an/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/an/a
Resolutionn/an/an/aNANA
Sizen/an/an/aNANA
Touchn/an/aNANA
TypeLCDLEDE-InkOLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phonen/an/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATMNA

Notifications

Phonen/an/aNA
Emailsn/an/aNA
Textsn/an/aNA

Software

Operating Systemn/an/an/aNANA
Appsn/a
Music

All Wearables